added new buttons and einen artikel bearbeiten

doc/bachelorarbeit_EstherKleinhenz/references/References_2.bib

@@ -124,7 +124,7 @@
    note = "https://github.com/twbs/bootstrap" 
    }
    
- @article{Otto,
+ @article{Otto-2,
    author = "Mark Otto",
    title = "Say hello to Bootstrap 2.0",
    year = "2012",
@@ -138,11 +138,11 @@
    note = "https://docs.djangoproject.com/en/2.1/ref/contrib/auth/" 
    }
 
-@article{Django,
-   author = "Djangogirlsgirls",
+@article{Djangogirls,
+   author = "Djangogirls",
    title = "Creating a blog post model",
    year = "2018",
-   note = "https://tutorial.djangogirls.org/en/django_models/" 
+   note = "https://tutorial.djangogirls.org/en/django\_models/" 
    }
 
 @article{Microsoft,
@@ -159,5 +159,12 @@
    note = "https://www.pcmag.com/encyclopedia/term/58231/user-permissions"
    }
 
+@article{Django-2,
+   author = "Django Software Foundation",
+   title = "Modelforms - The save() methode",
+   year = "2018",
+   note = "https://docs.djangoproject.com/en/dev/topics/forms/modelforms/\#the-save-method" 
+   }
+