Tohutoro APA (7th ed.)
Stephenson, W. The Play Theory of Mass Communication (2a impresión.). University of Chicago.
Tohutoru Kātū Chicago (17th ed.)
Stephenson, William. The Play Theory of Mass Communication. 2a impresión. Chicago, EUA: University of Chicago.
Tohutoro MLA (9th ed.)
Stephenson, William. The Play Theory of Mass Communication. 2a impresión. University of Chicago.
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