Analysis of information sources in references of the Wikipedia article "巴特尔玩家分类" in Chinese language version.
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缺少标题 (帮助). Developing Creative Content for Games. 1498777678. 2019: 80. ISBN 978-1498777674.|chapterurl=
缺少标题 (帮助). Experimental Games: Critique, Play, and Design in the Age of Gamification. University of Chicago Press. 2020: 199. ISBN 978-0226630038.|chapterurl=
缺少标题 (帮助). Gamification for Employee Engagement. Packt Publishing. 2014: 110. ISBN 978-1783001354.|chapterurl=
缺少标题 (帮助). World of Workcraft: Rediscovering Motivation and Engagement in the Digital Workplace. Routledge. 2016: 62. ISBN 978-1134785001.