Dyfyniad APA

Wilcox, D. L., & Cameron, G. T. (2009). Public relations: Strategies and tactics (9th ed.). Pearson Education.

Dyfyniad Arddull Chicago

Wilcox, Dennis L., and Glen T. Cameron. Public Relations: Strategies and Tactics. 9th ed. Boston: Pearson Education, 2009.

Dyfyniad MLA

Wilcox, Dennis L., and Glen T. Cameron. Public Relations: Strategies and Tactics. 9th ed. Pearson Education, 2009.

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