Dyfyniad APA
Stephenson, W. (1967). The play theory of mass communication. University of Chicago Press.
Dyfyniad Arddull Chicago
Stephenson, William. The Play Theory of Mass Communication. Chicago: University of Chicago Press, 1967.
Dyfyniad MLA
Stephenson, William. The Play Theory of Mass Communication. University of Chicago Press, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.