Feinberg, J. (1969). Moral concepts. Oxford University Press.
Cita Chicago (17th ed.)Feinberg, Joel. Moral Concepts. London: Oxford University Press, 1969.
Cita MLA (9th ed.)Feinberg, Joel. Moral Concepts. Oxford University Press, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.