Cutlip, S. M. (2006). Effective public relations ed.9. Pearson.
Chicago Style (17th ed.) CitationCutlip, Scott M. Effective Public Relations Ed.9. Pearson, 2006.
Cita MLACutlip, Scott M. Effective Public Relations Ed.9. Pearson, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.