Williams, Dmitri (2002). "Structure and Competition in the U.S. Home Video Game Industry". The International Journal on Media Management. 4 (1): 41–54. doi:10.1080/14241270209389979. S2CID17848916.
Funatsu, Minoru. "「CAPCOM VS. SNK 2」でPS2とDCの異機種間通信対戦を実現" [Crossplatform versus multiplayer between PS2 and Dreamcast now possible in Capcom vs. SNK 2]. Game Watch (in Japanese).
Williams, Dmitri (2002). "Structure and Competition in the U.S. Home Video Game Industry". The International Journal on Media Management. 4 (1): 41–54. doi:10.1080/14241270209389979. S2CID17848916.