Gregory, A. (2015). Planning and managing public relations campaigns: A strategic approach (Fourth edition.). Philadelphia.
Chicago (17e ed.) BronvermeldingGregory, Anne. Planning and Managing Public Relations Campaigns: A Strategic Approach. Fourth edition. London: Philadelphia, 2015.
MLA (9e ed.) BronvermeldingGregory, Anne. Planning and Managing Public Relations Campaigns: A Strategic Approach. Fourth edition. Philadelphia, 2015.
Let op: Deze citaties zijn niet altijd 100% accuraat.