Williams, B. A. O. (1993). Morality: An introduction to ethics (Canto ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoWilliams, Bernard Arthur Owen. Morality: An Introduction to Ethics. Canto ed. Cambridge ; New York: Cambridge University Press, 1993.
Dyfyniad MLAWilliams, Bernard Arthur Owen. Morality: An Introduction to Ethics. Canto ed. Cambridge University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.