Dyfyniad APA

Lowery, S., & De Fleur, M. L. (1988). Milestones in mass communication research: Media effects (2d ed.). Longman.

Dyfyniad Arddull Chicago

Lowery, Shearon, and Melvin Lawrence De Fleur. Milestones in Mass Communication Research: Media Effects. 2d ed. New York: Longman, 1988.

Dyfyniad MLA

Lowery, Shearon, and Melvin Lawrence De Fleur. Milestones in Mass Communication Research: Media Effects. 2d ed. Longman, 1988.

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