O'Hear, A. (2004). Modern moral philosophy. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)O'Hear, Anthony. Modern Moral Philosophy. Cambridge: Cambridge University Press, 2004.
Lua MLA (9ú heag.)O'Hear, Anthony. Modern Moral Philosophy. Cambridge University Press, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.