APA aipamena

Bull, A. (2007). NCTJ essential guide to careers in journalism. Sage publications.

Chicago Style aipamena

Bull, Andy. NCTJ Essential Guide to Careers in Journalism. London: Sage publications, 2007.

MLA aipamena

Bull, Andy. NCTJ Essential Guide to Careers in Journalism. Sage publications, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.