updated references

README.md

 GAME A.I.
-. . .
+
 Maze Generator
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-
 (GIT SHORTCUTS (PERSONAL NOTE))
 - add all, commit then push: 
 // after navigating to correct directory:
@@ -13,4 +12,19 @@ git commit -m "commit note"
 git push -u origin master
 
 - Update local repo from master:
-git pull origin master
\ No newline at end of file
+git pull origin master
+
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+REFERENCES / BIBLIOGRAPHY:
+References
+
+Bourg, David M, and Glenn Seemann. AI For Game Developers. Sebastopol CA: O'Reilly, 2004. Print.
+
+Buck, Jamis, and Jacquelyn Carter. Mazes For Programmers. Print.
+
+Takechi, Austin. "Unity3d C# + JS Tutorial :: Growing Tree Algorithm (Part 1, Creating Maze #1)". YouTube. N.p., 2012. Web. 27 Dec. 2015.
+
+Tutorials, Flat. "Let's Create A Perfect Maze Generator - Flattutorials". Flattutorials.blogspot.in. N.p., 2015. Web. 4 Jan. 2016.
+