APA (7th ed.) Zitazioa
Holmes, A. F. (2007). Ethics: Approaching moral decisions (Second edition.). InterVarsity Press.
Chicago Style (17th ed.) Zitazioa
Holmes, Arthur F. Ethics: Approaching Moral Decisions. Second edition. Downers Grove, Illinois: InterVarsity Press, 2007.
MLA (9th ed.) Zitazioa
Holmes, Arthur F. Ethics: Approaching Moral Decisions. Second edition. InterVarsity Press, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.