Cutlip, S. M., & Center, A. H. (1964). Effective public relations/3e (3rd ed.). Prentice Hall.
Chicago Edition CitationCutlip, Scott M., i Allen H. Center. Effective Public Relations/3e. 3rd ed. New Jersey: Prentice Hall, 1964.
Cita MLACutlip, Scott M., i Allen H. Center. Effective Public Relations/3e. 3rd ed. Prentice Hall, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.