Cita APA (7th ed.)

Foster, J. (2005). Effective writing skills for public relations (3rd ed.). Kogan Page.

Cita Chicago (17th ed.)

Foster, John. Effective Writing Skills for Public Relations. 3rd ed. London: Kogan Page, 2005.

Cita MLA (9th ed.)

Foster, John. Effective Writing Skills for Public Relations. 3rd ed. Kogan Page, 2005.