Gregory, A. (2015). Planning and managing public relations campaigns: A strategic approach (Fourth edition.). Philadelphia.
Style de citation Chicago (17e éd.)Gregory, Anne. Planning and Managing Public Relations Campaigns: A Strategic Approach. Fourth edition. London: Philadelphia, 2015.
Style de citation MLA (9e éd.)Gregory, Anne. Planning and Managing Public Relations Campaigns: A Strategic Approach. Fourth edition. Philadelphia, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.