Louden, R. B. (1992). Morality and moral theory: A reappraisal and reaffirmation. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Louden, Robert B. Morality and Moral Theory: A Reappraisal and Reaffirmation. New York: Oxford University Press, 1992.
Lua MLA (9ú heag.)Louden, Robert B. Morality and Moral Theory: A Reappraisal and Reaffirmation. Oxford University Press, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.