Dyfyniad APA
Wilcox, D. L. (2009). Public relations writing and media techniques (6th ed.). Pearson, Allyn and Bacon.
Dyfyniad Arddull Chicago
Wilcox, Dennis L. Public Relations Writing and Media Techniques. 6th ed. Boston, USA: Pearson, Allyn and Bacon, 2009.
Dyfyniad MLA
Wilcox, Dennis L. Public Relations Writing and Media Techniques. 6th ed. Pearson, Allyn and Bacon, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.