Rawls,John. (1973). A theory of justice. Oxford University Press.
Dyfyniad Arddull ChicagoRawls,John. A Theory of Justice. London: Oxford University Press, 1973.
Dyfyniad MLARawls,John. A Theory of Justice. Oxford University Press, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.