Bexander, Cecilia (January 2014). "The Cinematic Platformer Art Guide"(PDF). The making of a strategy game art guide. Uppsala Universitet. p. 70. Archived(PDF) from the original on 7 March 2014. Retrieved 7 March 2014.
Johnston, Chris (1997-11-06). "N64 Back on Top". SF Kosmo (archived from GameSpot). Archived from the original on 2009-01-01. Retrieved 2007-01-23.
Johnston, Chris (1997-10-02). "Sony Closes the Gap". SF Kosmo (archived from GameSpot). Archived from the original on 2011-05-25. Retrieved 2007-01-23.
Therrien, Carl. "Visual Design in Video Games"(PDF). Video Game History: From Bouncing Blocks to a Global Industry. Greenwood Press. p. 4. Archived(PDF) from the original on 7 March 2014. Retrieved 7 March 2014.
Johnston, Chris (1997-11-06). "N64 Back on Top". SF Kosmo (archived from GameSpot). Archived from the original on 2009-01-01. Retrieved 2007-01-23.
Johnston, Chris (1997-10-02). "Sony Closes the Gap". SF Kosmo (archived from GameSpot). Archived from the original on 2011-05-25. Retrieved 2007-01-23.
Bexander, Cecilia (January 2014). "The Cinematic Platformer Art Guide"(PDF). The making of a strategy game art guide. Uppsala Universitet. p. 70. Archived(PDF) from the original on 7 March 2014. Retrieved 7 March 2014.
Therrien, Carl. "Visual Design in Video Games"(PDF). Video Game History: From Bouncing Blocks to a Global Industry. Greenwood Press. p. 4. Archived(PDF) from the original on 7 March 2014. Retrieved 7 March 2014.