Wilcox, D. L. (2009). Public relations writing and media techniques (6th ed.). Person, Allyn and Bacon.

Wilcox, Dennis L. Public Relations Writing and Media Techniques. 6th ed. Boston, USA: Person, Allyn and Bacon, 2009.

Wilcox, Dennis L. Public Relations Writing and Media Techniques. 6th ed. Person, Allyn and Bacon, 2009.