Sutton-Smith, B. (1997). The ambiguity of play. Harvard University Press.
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Chicago-čujuhus (17. p.)
Sutton-Smith, Brian. The Ambiguity of Play. Cambridge, MA: Harvard University Press, 1997.
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MLA-čujuhus (9. p.)
Sutton-Smith, Brian. The Ambiguity of Play. Harvard University Press, 1997.
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