APA (7th ed.) Zitazioa

Campbell, E. (2003). Ethical teacher. Open University Press.

Chicago Style (17th ed.) Zitazioa

Campbell, Elizabeth. Ethical Teacher. Maidenhead, UK: Open University Press, 2003.

MLA (9th ed.) Zitazioa

Campbell, Elizabeth. Ethical Teacher. Open University Press, 2003.