Wilcox, D. L., & Cameron, G. T. (2009). Public relations: Strategies and tactics (9th ed.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)Wilcox, Dennis L., agus Glen T. Cameron. Public Relations: Strategies and Tactics. 9th ed. Boston: Pearson Education, 2009.
Lua MLA (9ú heag.)Wilcox, Dennis L., agus Glen T. Cameron. Public Relations: Strategies and Tactics. 9th ed. Pearson Education, 2009.
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