References
- Isaacs, I. M. (2008). Finite Group Theory. Graduate Studies in Mathematics, Vol. 92. Providence, RI: American Mathematical Society.
- Pinter, C. C. (2010). A Book of Abstract Algebra. Mineola, NY: Dover.
- Robinson, D. J. S. (1995). A Course in the Theory of Groups. Graduate Texts in Mathematics, Vol. 80. NY: Springer-Verlag.