APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (8वां संस्करण) प्रशस्ति पत्र

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