Dyfyniad APA

Walz, S. P., & Deterding, S. (2014). The gameful world: Approaches, issues, applications. The MIT Press.

Dyfyniad Arddull Chicago

Walz, Steffen P., and Sebastian Deterding. The Gameful World: Approaches, Issues, Applications. Cambridge, Massachusetts ; London, England: The MIT Press, 2014.

Dyfyniad MLA

Walz, Steffen P., and Sebastian Deterding. The Gameful World: Approaches, Issues, Applications. The MIT Press, 2014.

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