Cita APA (7th ed.)

Gallian,Joseph A. (2017). Contemporary abstract algebra (9th.). Cengage.

Cita Chicago (17th ed.)

Gallian,Joseph A. Contemporary Abstract Algebra. 9th. Australia: Cengage, 2017.

Cita MLA (9th ed.)

Gallian,Joseph A. Contemporary Abstract Algebra. 9th. Cengage, 2017.

Atenció: Aquestes cites poden no estar 100% correctes.