APA (7th ed.) Zitazioa
Rogers, S. (2014). Level up!: The guide to great video game design (Second edition.). Wiley.
Chicago Style (17th ed.) Zitazioa
Rogers, Scott. Level Up!: The Guide to Great Video Game Design. Second edition. Chichester, England: Wiley, 2014.
MLA (9th ed.) Zitazioa
Rogers, Scott. Level Up!: The Guide to Great Video Game Design. Second edition. Wiley, 2014.
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