Chou, Y. (2014). Actionable gamification: Beyond points, badges, and leaderboards (NA.). Octalysis.
Chicago-viite (17. p.)Chou, YU-KAI. Actionable Gamification: Beyond Points, Badges, and Leaderboards. NA. USA: Octalysis, 2014.
MLA-viite (9. p.)Chou, YU-KAI. Actionable Gamification: Beyond Points, Badges, and Leaderboards. NA. Octalysis, 2014.
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