Gregory, A. (2008). Planning and Managing Public Relations Campaigns. Kogan Page.
Chicago Style aipamenaGregory, Anne. Planning and Managing Public Relations Campaigns. New Delhi: Kogan Page, 2008.
MLA aipamenaGregory, Anne. Planning and Managing Public Relations Campaigns. Kogan Page, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.