Dyfyniad APA

Defleur, M. L., & Dennis, E. E. (1991). Understanding mass communication (4th ed.). Houghton Mifflin.

Dyfyniad Arddull Chicago

Defleur, Melvin L., and Everette E. Dennis. Understanding Mass Communication. 4th ed. Dallas: Houghton Mifflin, 1991.

Dyfyniad MLA

Defleur, Melvin L., and Everette E. Dennis. Understanding Mass Communication. 4th ed. Houghton Mifflin, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.