diff --git a/2.-Software-Architecture-Specification.md b/2.-Software-Architecture-Specification.md
index 11dd054..da6d8c9 100644
--- a/2.-Software-Architecture-Specification.md
+++ b/2.-Software-Architecture-Specification.md
@@ -162,7 +162,7 @@ The application was designed and developed according to a Model-View-Control (MV
 
 <p align="center"> 
 <img src="https://user-images.githubusercontent.com/76038781/140762432-baca1fb5-f66b-41ab-9702-be7fc2cfcc0d.png" alt="MVC Model" /><br>
-<em>Figure 1 - MVC Architecture [2]</em>
+<em>Figure 1 - MVC Architecture</em>
 </p>
 
 Almost all the logic is contained in the controller, which thus forms the centre of the entire system architecture and contains the functionalities. There is basically only one layer that is accessible to the user, the GUI.
@@ -289,3 +289,7 @@ The whole system layout can be used for international purposes since the user ma
 | [2] | https://github.com/DekaAthlos/TINF19C-ModellingWizard/wiki/2.-Software-Architecture-Specification, 21.04.2022 | 
 | [3] | https://www.perforce.com/blog/alm/how-write-software-requirements-specification-srs-document, 21.04.2022 |
 | [4] | https://books.google.de/books?id=7pVbAgAAQBAJ&lpg=PA1&ots=3l-6o0BDrw&dq=clean%20code%20robert%20martin&lr&hl=de&pg=PA1#v=onepage&q&f=false, 22.04.2022 |
+| [5] | https://blog.iandavis.com/2008/12/what-are-the-benefits-of-mvc/, 22.04.2022 |
+| [6] | https://www.youtube.com/watch?v=o_TH-Y78tt4&t=1667s, 22.04.2022 |
+| [7] | https://www.jetbrains.com/help/resharper/Reference__Architecture_View.html, 23.04.2022 |
+