APA-referens (7:e uppl.)

Sutton-Smith, B. (2001). The ambiguity of play (First edition 2001.). Harvard University Press.

Chicago-referens (17:e uppl.)

Sutton-Smith, Brian. The Ambiguity of Play. First edition 2001. Cambridge, Mass. ; London: Harvard University Press, 2001.

MLA-referens (8:e uppl.)

Sutton-Smith, Brian. The Ambiguity of Play. First edition 2001. Harvard University Press, 2001.