Koster, R. (2005). A theory of fun for game design. Paraglyph Press.
Chicagoスタイル(17版)引用形式Koster, Raph. A Theory of Fun for Game Design. Scottsdale: Paraglyph Press, 2005.
MLA(9版)引用形式Koster, Raph. A Theory of Fun for Game Design. Paraglyph Press, 2005.
警告: この引用は必ずしも正確ではありません.