Παραπομπή APA

Cohn, P. M. (2003). Basic algebra: Groups rings and fields. Sprnger.

Παραπομπή Chicago Style

Cohn, P M. Basic Algebra: Groups Rings and Fields. New Delhi: Sprnger, 2003.

Παραπομπή MLA

Cohn, P M. Basic Algebra: Groups Rings and Fields. Sprnger, 2003.