Dyfyniad APA

Wilcox, D. (2015). Public relation: Strategies and tactics (11th ed.). Pearson.

Dyfyniad Arddull Chicago

Wilcox, Dennis. Public Relation: Strategies and Tactics. 11th ed. England: Pearson, 2015.

Dyfyniad MLA

Wilcox, Dennis. Public Relation: Strategies and Tactics. 11th ed. Pearson, 2015.

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