Παραπομπή APA

Gallian, J. A. (1999). Contemporary abstract algebra (4th.). Narosa.

Παραπομπή Chicago Style

Gallian, Joseph A. Contemporary Abstract Algebra. 4th. New Delhi: Narosa, 1999.

Παραπομπή MLA

Gallian, Joseph A. Contemporary Abstract Algebra. 4th. Narosa, 1999.