Passman, D. S. (1991). course in ring theory. Wadsworth and Brooks.
Dyfyniad Arddull ChicagoPassman, Donald S. Course in Ring Theory. California: Wadsworth and Brooks, 1991.
Dyfyniad MLAPassman, Donald S. Course in Ring Theory. Wadsworth and Brooks, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.