Zappala,, J. M., & Carden,, A. R. (2010). Public Relations Writing Worktext: A Practical Guide for the Profession (3.). Routledge.
Chicago Edition CitationZappala,, Joseph M., i Ann R. Carden. Public Relations Writing Worktext: A Practical Guide for the Profession. 3. London: Routledge, 2010.
Cita MLAZappala,, Joseph M., i Ann R. Carden. Public Relations Writing Worktext: A Practical Guide for the Profession. 3. Routledge, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.