(1974). Ring Theory: Proceeding of the Oklahoma Conference. New York: Marcel Dekker.
Dyfyniad Arddull ChicagoRing Theory: Proceeding of the Oklahoma Conference. New York: Marcel Dekker, 1974.
Dyfyniad MLARing Theory: Proceeding of the Oklahoma Conference. New York: Marcel Dekker, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.