Cita APA (7th ed.)

Ridgway, J. (2001). Handbook of media & public relations. Infinity Books.

Cita Chicago (17th ed.)

Ridgway, Judith. Handbook of Media & Public Relations. New Delhi: Infinity Books, 2001.

Cita MLA (9th ed.)

Ridgway, Judith. Handbook of Media & Public Relations. Infinity Books, 2001.