APA استشهاد

Theaker, A. (2004). Public relations handbook (Ed.2.). Routledge.

استشهاد بنمط شيكاغو

Theaker, Alison. Public Relations Handbook. Ed.2. London: Routledge, 2004.

MLA استشهاد

Theaker, Alison. Public Relations Handbook. Ed.2. Routledge, 2004.