Beard, M. (2000). The art and science of public relations: Running a public relations department. Crest publishing house.
Παραπομπή Chicago StyleBeard, Mike. The Art and Science of Public Relations: Running a Public Relations Department. New Delhi: Crest publishing house, 2000.
Παραπομπή MLABeard, Mike. The Art and Science of Public Relations: Running a Public Relations Department. Crest publishing house, 2000.
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