HERSTEIN, I. (1975). Topics in algebra (2nd.). John Wiley.
Cita Chicago (17th ed.)HERSTEIN, I.N. Topics in Algebra. 2nd. York: John Wiley, 1975.
Cita MLA (9th ed.)HERSTEIN, I.N. Topics in Algebra. 2nd. John Wiley, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.