Dan Adams; Steve Butts; Charles Onyett (December 20, 2007). "PC Year in Review 2007". IGN. p. 1. Archived from the original on February 21, 2009. Retrieved February 15, 2009.
Dan Adams; Steve Butts; Charles Onyett (December 20, 2007). "PC Year in Review 2007". IGN. p. 2. Archived from the original on December 24, 2007. Retrieved February 15, 2009.
xbox360.ign.com
IGN Xbox 360 Team (December 20, 2007). "Xbox 360 2007 Year in Review". IGN. Archived from the original on February 14, 2009. Retrieved February 15, 2009.{{cite web}}: CS1 maint: numeric names: authors list (link)
Dan Adams; Steve Butts; Charles Onyett (December 20, 2007). "PC Year in Review 2007". IGN. p. 1. Archived from the original on February 21, 2009. Retrieved February 15, 2009.
IGN Xbox 360 Team (December 20, 2007). "Xbox 360 2007 Year in Review". IGN. Archived from the original on February 14, 2009. Retrieved February 15, 2009.{{cite web}}: CS1 maint: numeric names: authors list (link)
Dan Adams; Steve Butts; Charles Onyett (December 20, 2007). "PC Year in Review 2007". IGN. p. 2. Archived from the original on December 24, 2007. Retrieved February 15, 2009.
IGN PlayStation Team (December 20, 2007). "PSP 2007 Year in Review". IGN. Archived from the original on March 24, 2009. Retrieved February 15, 2009.