Theaker, A. (2004). Public relations handbook (Ed.2.). Routledge.
Chicago Style aipamenaTheaker, Alison. Public Relations Handbook. Ed.2. London: Routledge, 2004.
MLA aipamenaTheaker, Alison. Public Relations Handbook. Ed.2. Routledge, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.