Citazione Stile APA (7a Edizione)

Harrison, S. (1995). Public relations: An introduction. Routledge.

Citazione stile Chigago Style (17a edizione)

Harrison, Shirley. Public Relations: An Introduction. London, New York: Routledge, 1995.

Citatione MLA (9a ed.)

Harrison, Shirley. Public Relations: An Introduction. Routledge, 1995.