Gregory, A. (2000). The art and science of public relations: Public relations in practoice. Crest publishing house.
Chicago-стиль цитированияGregory, Anne. The Art and Science of Public Relations: Public Relations in Practoice. New Delhi: Crest publishing house, 2000.
MLA-цитированиеGregory, Anne. The Art and Science of Public Relations: Public Relations in Practoice. Crest publishing house, 2000.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.