Wilcox, D. (2015). Public relation: Strategies and tactics (11th ed.). Pearson.
Cita Chicago (17th ed.)Wilcox, Dennis. Public Relation: Strategies and Tactics. 11th ed. England: Pearson, 2015.
Cita MLA (9th ed.)Wilcox, Dennis. Public Relation: Strategies and Tactics. 11th ed. Pearson, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.