APA (7th ed.) Zitazioa
Holmes, F. A. (1984). Ethics: Approaching moral decisions. IVP Academic.
Chicago Style (17th ed.) Zitazioa
Holmes, F. Arthur. Ethics: Approaching Moral Decisions. Downers Grove: IVP Academic, 1984.
MLA (9th ed.) Zitazioa
Holmes, F. Arthur. Ethics: Approaching Moral Decisions. IVP Academic, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.