APA استشهاد

Cutlip, S. M. (2005). Effective public relations (8th ed.). Pearson education.

استشهاد بنمط شيكاغو

Cutlip, Scott M. Effective Public Relations. 8th ed. Singapore: Pearson education, 2005.

MLA استشهاد

Cutlip, Scott M. Effective Public Relations. 8th ed. Pearson education, 2005.