Rawls, J. (1971). A theory of justice (ed.). The Belknap Press.
Dyfyniad Arddull ChicagoRawls, John. A Theory of Justice. ed. Massachusetts: The Belknap Press, 1971.
Dyfyniad MLARawls, John. A Theory of Justice. ed. The Belknap Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.