Dyfyniad APA

Wilcox, D. L., Agee, W. K., & Ault, P. H. (1995). Public relations: Strategies and tactics (4th ed.). HarperCollins.

Dyfyniad Arddull Chicago

Wilcox, Dennis L., Warren K. Agee, and Philip H. Ault. Public Relations: Strategies and Tactics. 4th ed. New York: HarperCollins, 1995.

Dyfyniad MLA

Wilcox, Dennis L., et al. Public Relations: Strategies and Tactics. 4th ed. HarperCollins, 1995.

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