APA استشهاد

Theaker, A. (2012). The Public Relations Handbook (4th ed.). Routledge.

استشهاد بنمط شيكاغو

Theaker, Alison. The Public Relations Handbook. 4th ed. New York: Routledge, 2012.

MLA استشهاد

Theaker, Alison. The Public Relations Handbook. 4th ed. Routledge, 2012.