APA (7th ed.) Zitazioa
Raessens, J., Mul, J. d., Lange, M. d., Lammes, S., & Frissen, V. (2015). Playful Identities: The Ludification of Digital Media Cultures. Amsterdam University Press.
Chicago Style (17th ed.) Zitazioa
Raessens, Joost, Jos de Mul, Michiel de Lange, Sybille Lammes, eta Valerie Frissen. Playful Identities: The Ludification of Digital Media Cultures. Amsterdam: Amsterdam University Press, 2015.
MLA (9th ed.) Zitazioa
Raessens, Joost, et al. Playful Identities: The Ludification of Digital Media Cultures. Amsterdam University Press, 2015.
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