Tekinbaş, K. S., & Zimmerman, E. (2004). Rules of play: Game design fundamentals. MIT Press.
Chicago Style aipamenaTekinbaş, Katie Salen, and Eric Zimmerman. Rules of Play: Game Design Fundamentals. Cambridge, Mass ; London: MIT Press, 2004.
MLA aipamenaTekinbaş, Katie Salen, and Eric Zimmerman. Rules of Play: Game Design Fundamentals. MIT Press, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.