Allenby, R. B. J. T. 1991. Rings, Fields and Groups: An Introduction to Abstract Algebra. 2nd ed. Edward Arnold.
Carter, Nathan C. and ebrary, Inc. 2009. Visual Group Theory. Classroom resource materials. Mathematical Association of America. Electronic resource. http://site.ebrary.com/lib/aber/Doc?id=10722442.
Humphreys, J. F. 1996. A Course in Group Theory. Oxford science publications. Oxford University Press.
Scott, William R. 1987. Group Theory. Dover.