APA (7th ed.) Zitazioa

Katzen, M. (1975). Mass communication: Teaching and studies at universities : a world-wide survey on the role of universities in the study of the mass media and mass communication. Unesco Press.

Chicago Style (17th ed.) Zitazioa

Katzen, May. Mass Communication: Teaching and Studies at Universities : A World-wide Survey on the Role of Universities in the Study of the Mass Media and Mass Communication. Paris: Unesco Press, 1975.

MLA (9th ed.) Zitazioa

Katzen, May. Mass Communication: Teaching and Studies at Universities : A World-wide Survey on the Role of Universities in the Study of the Mass Media and Mass Communication. Unesco Press, 1975.