Update

sections/introduction.tex

 \chapter{Introduction}\label{ch:introduction}
 Automated testing is one type of software testing which is expected to review, validate software products and find errors in these products. Compared to manual testing, it has a huge benefit in execution of test cases, while test cases are automatically generated. \\
-Also, it might be a meaningful approach to raise the security and quality in web-based software architectures using REST interfaces. [2]
+Also, it might be a meaningful approach to raise the security and quality in web-based software architectures using REST interfaces. \cite{knuth84}, \cite{goossens94}
 
 % example with [2]
 One kind of testing such architectures is to validate REST interfaces and check if there are errors in them. \\

thesis-copy.tex

@@ -129,7 +129,7 @@
 \input{sections/eval.tex}
 \input{sections/zusammenfassung.tex}
 
-\printbibliography[heading=bibintoc]\label{sec:bibliography}%
+\printbibliography[heading=bibintoc]\label{sec:bibliography}
 
 \appendix
 \input{sections/appendix}