Thomas, G. (1993). An introduction to ethics: Five central problems of moral judgement. G. Duckworth.
Dyfyniad Arddull ChicagoThomas, Geoffrey. An Introduction to Ethics: Five Central Problems of Moral Judgement. London: G. Duckworth, 1993.
Dyfyniad MLAThomas, Geoffrey. An Introduction to Ethics: Five Central Problems of Moral Judgement. G. Duckworth, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.