Cita APA

Zappala, J. M., & Carden, A. R. (2010). Public relations writing worktext (3rd ed.). Routledge.

Chicago Edition Citation

Zappala, Joseph M., i Ann R. Carden. Public Relations Writing Worktext. 3rd ed. New York: Routledge, 2010.

Cita MLA

Zappala, Joseph M., i Ann R. Carden. Public Relations Writing Worktext. 3rd ed. Routledge, 2010.