Butterick, K. (2011). Introducing public relations: Theory and practice. Sage Publications Inc.
Chicago Edition CitationButterick, Keith. Introducing Public Relations: Theory and Practice. New Delhi: Sage Publications Inc, 2011.
Cita MLAButterick, Keith. Introducing Public Relations: Theory and Practice. Sage Publications Inc, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.