Robinson, D. J. (1996). A course in the theory of groups. New York: Springer.
Dyfyniad Arddull ChicagoRobinson, Derek J.S. A Course in the Theory of Groups. New York: Springer, 1996.
Dyfyniad MLARobinson, Derek J.S. A Course in the Theory of Groups. New York: Springer, 1996.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.