APA (7th ed.) Zitazioa
Beck, C. M. (1971). Moral education: Interdisciplinary approaches. Newman.
Chicago Style (17th ed.) Zitazioa
Beck, C. M. Moral Education: Interdisciplinary Approaches. New York: Newman, 1971.
MLA (9th ed.) Zitazioa
Beck, C. M. Moral Education: Interdisciplinary Approaches. Newman, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.