Cita APA (7th ed.)

Broom, G. M., & Center, A. H. (2009). Cutlip & Center's effective public relations (10th ed.). Pearson.

Cita Chicago (17th ed.)

Broom, Glen M., i Allen H. Center. Cutlip & Center's Effective Public Relations. 10th ed. London: Pearson, 2009.

Cita MLA (9th ed.)

Broom, Glen M., i Allen H. Center. Cutlip & Center's Effective Public Relations. 10th ed. Pearson, 2009.