APA (7th ed.) Zitazioa
Cahn, S. M., & Markie, P. (2002). Ethics: History, theory, and contemporary issues (2nd ed.). OUP.
Chicago Style (17th ed.) Zitazioa
Cahn, Steven M., eta Peter Markie. Ethics: History, Theory, and Contemporary Issues. 2nd ed. New York: OUP, 2002.
MLA (9th ed.) Zitazioa
Cahn, Steven M., eta Peter Markie. Ethics: History, Theory, and Contemporary Issues. 2nd ed. OUP, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.