- Virtual Reality: Pros and Cons | virtualreality007. 2014. Virtual Reality: Pros and Cons | virtualreality007. [ONLINE] Available at:http://virtualreality007.wordpress.com/virtual-reality-pros-and-cons/. [Accessed 27 June 2014].
- Virtual Reality. 2014. Virtual Reality. [ONLINE] Available at:http://www.vrs.org.uk. [Accessed 27 June 2014].
- The Pros and Cons of Virtual Reality. 2014. The Pros and Cons of Virtual Reality. [ONLINE] Available at:http://www.bilawchuk.com/mark/prosandcons.html. [Accessed 27 June 2014].
- VIRTUAL REALITY - History. 2014. VIRTUAL REALITY - History. [ONLINE] Available at:http://archive.ncsa.illinois.edu/Cyberia/VETopLevels/VR.History.html. [Accessed 27 June 2014].
- Virtual reality - Wikipedia, the free encyclopedia. 2014. Virtual reality - Wikipedia, the free encyclopedia. [ONLINE] Available at:http://en.wikipedia.org/wiki/Virtual_reality. [Accessed 27 June 2014].
- Virtual Reality. 2014. Virtual Reality. [ONLINE] Available at:http://www.vrs.org.uk. [Accessed 27 June 2014].
- The Pros and Cons of Virtual Reality. 2014. The Pros and Cons of Virtual Reality. [ONLINE] Available at:http://www.bilawchuk.com/mark/prosandcons.html. [Accessed 27 June 2014].
- VIRTUAL REALITY - History. 2014. VIRTUAL REALITY - History. [ONLINE] Available at:http://archive.ncsa.illinois.edu/Cyberia/VETopLevels/VR.History.html. [Accessed 27 June 2014].
- Virtual reality - Wikipedia, the free encyclopedia. 2014. Virtual reality - Wikipedia, the free encyclopedia. [ONLINE] Available at:http://en.wikipedia.org/wiki/Virtual_reality. [Accessed 27 June 2014].