Herstein, I. N. (1999). Abstract algebra (3a. ed.). John Wiley and Sons.
Cita Chicago (17th ed.)Herstein, I. N. Abstract Algebra. 3a. ed. Hoboken: John Wiley and Sons, 1999.
Cita MLA (9th ed.)Herstein, I. N. Abstract Algebra. 3a. ed. John Wiley and Sons, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.