Owen, P. (2013). How gamification can help your business engage in sustainability. Dō Sustainability.
Chicago-Zitierstil (17. Ausg.)Owen, Paula. How Gamification Can Help Your Business Engage in Sustainability. Oxford: Dō Sustainability, 2013.
MLA-Zitierstil (9. Ausg.)Owen, Paula. How Gamification Can Help Your Business Engage in Sustainability. Dō Sustainability, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.