David Perry on game design : a brainstorming toolbox.

MLA

Perry, David, and Rusel DeMaria. David Perry On Game Design : a Brainstorming Toolbox. Boston: Course Technology, 2009.

APA

Perry, D., & DeMaria, R. (2009). David Perry on game design : a brainstorming toolbox. Boston: Course Technology.

Chicago

Perry, David, and Rusel DeMaria. David Perry On Game Design: A Brainstorming Toolbox. Boston: Course Technology, 2009.