电子游戏设计Design Fundamentals. MIT Press. ISBN 0-262-24045-9. Oxland, Kevin (2004). Gameplay and design. Addison Wesley. ISBN 0-321-20467-0., p. 292 Moore, Michael
七龍珠 異戰22016-05-17 [2016-05-17]. (原始内容存档于2021-10-19). Dragon Ball Xenoverse 2 Gameplay Showcase - IGN Live: E3 2016 - IGN Video, [2016-12-11], (原始内容存档于2021-10-20)