[1] Gorenstein D. Finite Group. New York: Harper & Row Publishers, 1980

[2] Aschbacher M. Finite Group Theory. Cambridge University Press, 2000

[3] Newman M F, Xu Mingyao. Metacyclic groups of prime-power order (Research announcement). Adv Math (Beijing), 1988, 17: 106–107

[4] Xu Mingyao, Zhang Qinhai. A classification of metacyclic 2-groups. Algebra Colloq, 2006, 13: 25–34

[5] Robinson D J S. A Course in the Theory of Groups. New York, Heidelberg, Berlin: Springer-Verlag, 1982

[6] Isaacs I M. Character Theory of Finite Groups. New York: Academic Press, 1976

[7] Huppert B. Endliche Gruppen I. Berlin, Heidelberg, New York: Springer, 1967