Gregory, A. (2000). The art and science of public relations: Public relations in practoice. Crest publishing house.
Chicago ZitierstilGregory, Anne. The Art and Science of Public Relations: Public Relations in Practoice. New Delhi: Crest publishing house, 2000.
MLA ZitierstilGregory, Anne. The Art and Science of Public Relations: Public Relations in Practoice. Crest publishing house, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.