Broom, G. M., & Center, A. H. (2009). Cutlip & Center's effective public relations (10th ed.). Pearson.
Citazione stile Chigago Style (17a edizione)Broom, Glen M., e Allen H. Center. Cutlip & Center's Effective Public Relations. 10th ed. London: Pearson, 2009.
Citatione MLA (9a ed.)Broom, Glen M., e Allen H. Center. Cutlip & Center's Effective Public Relations. 10th ed. Pearson, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.