Dyfyniad APA
Schramm, W., & Roberts, D. F. (1971). The process and effects of mass communication. University of Illinois Press.
Dyfyniad Arddull Chicago
Schramm, Wilbur, and Donald F. Roberts. The Process and Effects of Mass Communication. Urbana: University of Illinois Press, 1971.
Dyfyniad MLA
Schramm, Wilbur, and Donald F. Roberts. The Process and Effects of Mass Communication. University of Illinois Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.