diff --git a/application/composer.json b/application/composer.json
index 5b18540..c2dffb7 100644
--- a/application/composer.json
+++ b/application/composer.json
@@ -19,6 +19,7 @@
         "symfony/orm-pack": "*",
         "symfony/process": "*",
         "symfony/security-bundle": "*",
+        "symfony/serializer": "*",
         "symfony/serializer-pack": "*",
         "symfony/swiftmailer-bundle": "^3.1",
         "symfony/translation": "*",
diff --git a/application/composer.lock b/application/composer.lock
index e9038bb..bd7957f 100644
--- a/application/composer.lock
+++ b/application/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d49903ff1dc85f65ca277d339dac5d5e",
+    "content-hash": "ba590f1add8e4ab85f0695854acb1a6d",
     "packages": [
         {
             "name": "doctrine/annotations",
diff --git a/application/src/Controller/SourceController.php b/application/src/Controller/SourceController.php
index bef6bcb..0f27252 100644
--- a/application/src/Controller/SourceController.php
+++ b/application/src/Controller/SourceController.php
@@ -6,8 +6,8 @@ use Symfony\Component\HttpFoundation\Response;
 use App\Entity\AbstractSource;
 use Symfony\Component\Routing\Annotation\Route;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
-use App\Source\TemplateGenerator;
 use Symfony\Component\HttpFoundation\Request;
+use App\Source\Generator\StringGenerator;
 
 /**
  * @author kevinfrantz
@@ -29,8 +29,8 @@ class SourceController extends AbstractController
         if (!$source) {
             throw $this->createNotFoundException('No source found for id '.$id);
         }
-        $templateGenerator = new TemplateGenerator($source, $request);
+        $templateGenerator = new StringGenerator($request, $source, $this->container->get('twig'));
 
-        return $this->render($templateGenerator->getTemplatePath(), ['source' => $source]);
+        return new Response($templateGenerator->render());
     }
 }
diff --git a/application/src/Entity/AbstractEntity.php b/application/src/Entity/AbstractEntity.php
index fcfbb08..15090ff 100644
--- a/application/src/Entity/AbstractEntity.php
+++ b/application/src/Entity/AbstractEntity.php
@@ -23,5 +23,6 @@ class AbstractEntity
 
     protected function __construct()
     {
+        $this->id = 0;
     }
 }
diff --git a/application/src/Entity/Attribut/ChildsAttribut.php b/application/src/Entity/Attribut/ChildsAttribut.php
index 642450e..770f907 100644
--- a/application/src/Entity/Attribut/ChildsAttribut.php
+++ b/application/src/Entity/Attribut/ChildsAttribut.php
@@ -2,8 +2,8 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
 use App\Entity\NodeInterface;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
@@ -19,16 +19,16 @@ trait ChildsAttribut
      *      inverseJoinColumns={@ORM\JoinColumn(name="node_id", referencedColumnName="id")}
      *      )
      *
-     * @var ArrayCollection|NodeInterface[]
+     * @var Collection|NodeInterface[]
      */
     protected $childs;
 
-    public function getChilds(): ArrayCollection
+    public function getChilds(): Collection
     {
-        return $this->getChilds();
+        return $this->childs;
     }
 
-    public function setChilds(ArrayCollection $childs): void
+    public function setChilds(Collection $childs): void
     {
         $this->childs = $childs;
     }
diff --git a/application/src/Entity/Attribut/ChildsAttributeInterface.php b/application/src/Entity/Attribut/ChildsAttributeInterface.php
index 5e90f15..d22984c 100644
--- a/application/src/Entity/Attribut/ChildsAttributeInterface.php
+++ b/application/src/Entity/Attribut/ChildsAttributeInterface.php
@@ -2,14 +2,14 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
  */
 interface ChildsAttributeInterface
 {
-    public function setChilds(ArrayCollection $childs): void;
+    public function setChilds(Collection $childs): void;
 
-    public function getChilds(): ArrayCollection;
+    public function getChilds(): Collection;
 }
diff --git a/application/src/Entity/Attribut/ParentsAttribut.php b/application/src/Entity/Attribut/ParentsAttribut.php
index 3700ec7..96291b4 100644
--- a/application/src/Entity/Attribut/ParentsAttribut.php
+++ b/application/src/Entity/Attribut/ParentsAttribut.php
@@ -2,8 +2,8 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
 use App\Entity\NodeInterface;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
@@ -19,16 +19,16 @@ trait ParentsAttribut
      *      inverseJoinColumns={@ORM\JoinColumn(name="node_id", referencedColumnName="id")}
      *      )
      *
-     * @var ArrayCollection|NodeInterface[]
+     * @var Collection|NodeInterface[]
      */
     protected $parents;
 
-    public function getParents(): ArrayCollection
+    public function getParents(): Collection
     {
         return $this->parents;
     }
 
-    public function setParents(ArrayCollection $parents): void
+    public function setParents(Collection $parents): void
     {
         $this->parents = $parents;
     }
diff --git a/application/src/Entity/Attribut/ParentsAttributInterface.php b/application/src/Entity/Attribut/ParentsAttributInterface.php
index 7f37f7c..1d3632e 100644
--- a/application/src/Entity/Attribut/ParentsAttributInterface.php
+++ b/application/src/Entity/Attribut/ParentsAttributInterface.php
@@ -2,14 +2,14 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
  */
 interface ParentsAttributInterface
 {
-    public function setParents(ArrayCollection $parents): void;
+    public function setParents(Collection $parents): void;
 
-    public function getParents(): ArrayCollection;
+    public function getParents(): Collection;
 }
diff --git a/application/src/Entity/Attribut/PermissionsAttribut.php b/application/src/Entity/Attribut/PermissionsAttribut.php
index fbfdd85..75020ce 100644
--- a/application/src/Entity/Attribut/PermissionsAttribut.php
+++ b/application/src/Entity/Attribut/PermissionsAttribut.php
@@ -2,8 +2,8 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
 use App\Entity\PermissionInterface;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
@@ -11,16 +11,16 @@ use App\Entity\PermissionInterface;
 trait PermissionsAttribut
 {
     /**
-     * @var ArrayCollection
+     * @var Collection
      */
     protected $permissions;
 
-    public function setPermissions(ArrayCollection $permissions): void
+    public function setPermissions(Collection $permissions): void
     {
         $this->permissions = $permissions;
     }
 
-    public function getPermissions(): ArrayCollection
+    public function getPermissions(): Collection
     {
         return $this->permissions;
     }
diff --git a/application/src/Entity/Attribut/PermissionsAttributInterface.php b/application/src/Entity/Attribut/PermissionsAttributInterface.php
index 94e85b6..ead0c03 100644
--- a/application/src/Entity/Attribut/PermissionsAttributInterface.php
+++ b/application/src/Entity/Attribut/PermissionsAttributInterface.php
@@ -2,17 +2,17 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
 use App\Entity\PermissionInterface;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
  */
 interface PermissionsAttributInterface
 {
-    public function setPermissions(ArrayCollection $permissions): void;
+    public function setPermissions(Collection $permissions): void;
 
-    public function getPermissions(): ArrayCollection;
+    public function getPermissions(): Collection;
 
     public function addPermission(PermissionInterface $permission): void;
 }
diff --git a/application/src/Entity/Attribut/RightAttribut.php b/application/src/Entity/Attribut/RightAttribut.php
index 1a41ea0..564695b 100644
--- a/application/src/Entity/Attribut/RightAttribut.php
+++ b/application/src/Entity/Attribut/RightAttribut.php
@@ -21,6 +21,6 @@ trait RightAttribut
 
     public function getRight(): RightInterface
     {
-        return $this->getRight();
+        return $this->right;
     }
 }
diff --git a/application/src/Entity/Attribut/RightsAttributInterface.php b/application/src/Entity/Attribut/RightsAttributInterface.php
index edc1756..5ec968c 100644
--- a/application/src/Entity/Attribut/RightsAttributInterface.php
+++ b/application/src/Entity/Attribut/RightsAttributInterface.php
@@ -2,14 +2,14 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
  */
 interface RightsAttributInterface
 {
-    public function setRights(ArrayCollection $rights): void;
+    public function setRights(Collection $rights): void;
 
-    public function getRights(): ArrayCollection;
+    public function getRights(): Collection;
 }
diff --git a/application/src/Entity/Attribut/RightsAttribute.php b/application/src/Entity/Attribut/RightsAttribute.php
index b72dbb7..35d9561 100644
--- a/application/src/Entity/Attribut/RightsAttribute.php
+++ b/application/src/Entity/Attribut/RightsAttribute.php
@@ -2,7 +2,7 @@
 
 namespace App\Entity\Attribut;
 
-use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
@@ -10,16 +10,16 @@ use Doctrine\Common\Collections\ArrayCollection;
 trait RightsAttribute
 {
     /**
-     * @var ArrayCollection
+     * @var Collection
      */
     protected $rights;
 
-    public function setRights(ArrayCollection $rights): void
+    public function setRights(Collection $rights): void
     {
         $this->rights = $rights;
     }
 
-    public function getRights(): ArrayCollection
+    public function getRights(): Collection
     {
         return $this->rights;
     }
diff --git a/application/src/Entity/Law.php b/application/src/Entity/Law.php
index 20b16a1..f8123ff 100644
--- a/application/src/Entity/Law.php
+++ b/application/src/Entity/Law.php
@@ -18,7 +18,7 @@ class Law extends AbstractEntity implements LawInterface
     use RightsAttribute, NodeAttribut;
 
     /**
-     * @ORM\OneToMany(targetEntity="Right", mappedBy="id", cascade={"persist", "remove"})
+     * @ORM\OneToMany(targetEntity="Right", mappedBy="law", cascade={"persist", "remove"})
      *
      * @var ArrayCollection
      */
diff --git a/application/src/Entity/Permission.php b/application/src/Entity/Permission.php
index d89f764..b88ed0d 100644
--- a/application/src/Entity/Permission.php
+++ b/application/src/Entity/Permission.php
@@ -43,7 +43,7 @@ class Permission extends AbstractEntity implements PermissionInterface
     protected $node;
 
     /**
-     * @ORM\ManyToOne(targetEntity="Right")
+     * @ORM\ManyToOne(targetEntity="Right",inversedBy="permissions")
      * @ORM\JoinColumn(name="right_id", referencedColumnName="id")
      *
      * @var RightInterface
diff --git a/application/src/Entity/Right.php b/application/src/Entity/Right.php
index 06fe683..a62912a 100644
--- a/application/src/Entity/Right.php
+++ b/application/src/Entity/Right.php
@@ -9,6 +9,7 @@ use Doctrine\ORM\Mapping as ORM;
 use Fresh\DoctrineEnumBundle\Validator\Constraints as DoctrineAssert;
 use App\Entity\Attribut\LawAttribut;
 use App\Entity\Attribut\PermissionsAttribut;
+use Doctrine\Common\Collections\Collection;
 
 /**
  * @author kevinfrantz
@@ -20,7 +21,7 @@ class Right extends AbstractEntity implements RightInterface
     use TypeAttribut,LawAttribut,PermissionsAttribut;
 
     /**
-     * @ORM\ManyToOne(targetEntity="Law")
+     * @ORM\ManyToOne(targetEntity="Law", inversedBy="rights")
      * @ORM\JoinColumn(name="law_id", referencedColumnName="id")
      *
      * @var LawInterface
@@ -36,9 +37,9 @@ class Right extends AbstractEntity implements RightInterface
     protected $type;
 
     /**
-     * @ORM\OneToMany(targetEntity="Permission", mappedBy="id", cascade={"persist", "remove"})
+     * @ORM\OneToMany(targetEntity="Permission", mappedBy="right", cascade={"persist", "remove"})
      *
-     * @var ArrayCollection
+     * @var Collection
      */
     protected $permissions;
 
diff --git a/application/src/Source/Generator/AbstractGenerator.php b/application/src/Source/Generator/AbstractGenerator.php
new file mode 100644
index 0000000..daf499e
--- /dev/null
+++ b/application/src/Source/Generator/AbstractGenerator.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Source\Generator;
+
+use App\Entity\SourceInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * @author kevinfrantz
+ */
+abstract class AbstractGenerator
+{
+    /**
+     * @var SourceInterface
+     */
+    protected $source;
+
+    /**
+     * @var Request
+     */
+    protected $request;
+
+    public function __construct(Request $request, SourceInterface $source)
+    {
+        $this->source = $source;
+        $this->request = $request;
+    }
+}
diff --git a/application/src/Source/Generator/SerializeGenerator.php b/application/src/Source/Generator/SerializeGenerator.php
new file mode 100644
index 0000000..cb9a969
--- /dev/null
+++ b/application/src/Source/Generator/SerializeGenerator.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Source\Generator;
+
+use Symfony\Component\Serializer\Encoder\XmlEncoder;
+use Symfony\Component\Serializer\Encoder\YamlEncoder;
+use Symfony\Component\Serializer\Encoder\JsonEncoder;
+use Symfony\Component\Serializer\Encoder\CsvEncoder;
+use Symfony\Component\Serializer\Normalizer\ObjectNormalizer;
+use Symfony\Component\Serializer\Serializer;
+
+/**
+ * @author kevinfrantz
+ */
+final class SerializeGenerator extends AbstractGenerator
+{
+    const SERIALIZABLE_FORMATS = [
+        'xml',
+        'json',
+        'csv',
+        'yaml',
+    ];
+
+    public function serialize(): string
+    {
+        $encoders = [new XmlEncoder(), new JsonEncoder(), new YamlEncoder(), new CsvEncoder()];
+        $normalizer = new ObjectNormalizer();
+        $normalizer->setCircularReferenceLimit(0);
+        $normalizer->setCircularReferenceHandler(function ($object) {
+            return $object->getId();
+        });
+        $serializer = new Serializer([$normalizer], $encoders);
+
+        return $serializer->serialize($this->source, $this->request->getRequestFormat());
+    }
+}
diff --git a/application/src/Source/Generator/StringGenerator.php b/application/src/Source/Generator/StringGenerator.php
new file mode 100644
index 0000000..531b06d
--- /dev/null
+++ b/application/src/Source/Generator/StringGenerator.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Source\Generator;
+
+use Symfony\Component\HttpFoundation\Request;
+use App\Entity\SourceInterface;
+
+/**
+ * @author kevinfrantz
+ */
+final class StringGenerator extends AbstractGenerator
+{
+    /**
+     * @var \Twig_Environment
+     */
+    protected $twig;
+
+    public function __construct(Request $request, SourceInterface $source, \Twig_Environment $twig)
+    {
+        parent::__construct($request, $source);
+        $this->twig = $twig;
+    }
+
+    public function render(): string
+    {
+        if (in_array($this->request->getRequestFormat(), SerializeGenerator::SERIALIZABLE_FORMATS)) {
+            $serializeGenerator = new SerializeGenerator($this->request, $this->source);
+
+            return $serializeGenerator->serialize();
+        }
+        $templateGenerator = new TemplateGenerator($this->request, $this->source, $this->twig);
+
+        return $templateGenerator->render();
+    }
+}
diff --git a/application/src/Source/Generator/TemplateGenerator.php b/application/src/Source/Generator/TemplateGenerator.php
new file mode 100644
index 0000000..8c8081d
--- /dev/null
+++ b/application/src/Source/Generator/TemplateGenerator.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Source\Generator;
+
+use App\Entity\SourceInterface;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * @author kevinfrantz
+ */
+final class TemplateGenerator extends AbstractGenerator
+{
+    const SOURCE_TEMPLATE_ROOT = 'source';
+
+    /**
+     * @var \Twig_Environment
+     */
+    protected $twig;
+
+    public function __construct(Request $request, SourceInterface $source, \Twig_Environment $twig)
+    {
+        parent::__construct($request, $source);
+        $this->twig = $twig;
+    }
+
+    public function render(): string
+    {
+        return $this->twig->render($this->getTemplatePath(), ['source' => $this->source]);
+    }
+
+    private function getTemplatePath(): string
+    {
+        return self::SOURCE_TEMPLATE_ROOT.'/'.$this->generateName().'.'.$this->request->getRequestFormat().'.twig';
+    }
+
+    private function generateName(): string
+    {
+        $reflection = new \ReflectionClass($this->source);
+        $shortName = $reflection->getShortName();
+        $lowerName = strtolower($shortName);
+
+        return str_replace('source', '', $lowerName);
+    }
+}
diff --git a/application/src/Source/TemplateGenerator.php b/application/src/Source/TemplateGenerator.php
deleted file mode 100644
index 93af0b6..0000000
--- a/application/src/Source/TemplateGenerator.php
+++ /dev/null
@@ -1,50 +0,0 @@
-<?php
-
-namespace App\Source;
-
-use App\Entity\SourceInterface;
-use Symfony\Component\HttpFoundation\Request;
-
-/**
- * @author kevinfrantz
- */
-class TemplateGenerator
-{
-    const SOURCE_TEMPLATE_ROOT = 'source';
-
-    /**
-     * @var SourceInterface
-     */
-    protected $source;
-
-    /**
-     * @var Request
-     */
-    protected $request;
-
-    /**
-     * @var string
-     */
-    protected $format;
-
-    public function __construct(SourceInterface $source, Request $request)
-    {
-        $this->source = $source;
-        $this->request = $request;
-        $this->format = $this->request->getRequestFormat();
-    }
-
-    public function getTemplatePath(): string
-    {
-        return self::SOURCE_TEMPLATE_ROOT.'/'.$this->generateName().'.'.$this->format.'.twig';
-    }
-
-    private function generateName(): string
-    {
-        $reflection = new \ReflectionClass($this->source);
-        $shortName = $reflection->getShortName();
-        $lowerName = strtolower($shortName);
-
-        return str_replace('source', '', $lowerName);
-    }
-}