Chou, Y. (2014). Actionable gamification: Beyond points, badges, and leaderboards (NA.). Octalysis.
Chicago-Zitierstil (17. Ausg.)Chou, YU-KAI. Actionable Gamification: Beyond Points, Badges, and Leaderboards. NA. USA: Octalysis, 2014.
MLA-Zitierstil (9. Ausg.)Chou, YU-KAI. Actionable Gamification: Beyond Points, Badges, and Leaderboards. NA. Octalysis, 2014.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.