1. http://en.wikipedia.org/wiki/Dijkstra's_algorithm Visited on April 6 2013 http://en.wikipedia.org/wiki/Dijkstra's_algorithm Visited on April 6 2013
2. http://www.cs.princeton.edu/~rs/AlgsDS07/15ShortestPaths.pdf Visited on April 7 2013. http://www.cs.princeton.edu/~rs/AlgsDS07/15ShortestPaths.pdf Visited on April 7 2013.
3. http://www.csse.monash.edu.au/hons/projects/2000/Greg.Rogers/graphdemo.gif Visited on April 6 2013. http://www.csse.monash.edu.au/hons/projects/2000/Greg.Rogers/graphdemo.gif Visited on April 6 2013.
4. http://en.wikipedia.org/wiki/Google_Maps Visited on April 8 2013 http://en.wikipedia.org/wiki/Google_Maps Visited on April 8 2013
5. http://www.youtube.com/watch?v=xT5o1QCeWS8 Visited on April 8 2013. http://www.youtube.com/watch?v=xT5o1QCeWS8 Visited on April 8 2013.