APA (7th ed.) Zitazioa
Stephenson, W. (1967). The play theory of mass communication. University of Chicago Press.
Chicago Style (17th ed.) Zitazioa
Stephenson, William. The Play Theory of Mass Communication. Chicago: University of Chicago Press, 1967.
MLA (9th ed.) Zitazioa
Stephenson, William. The Play Theory of Mass Communication. University of Chicago Press, 1967.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.