Παραπομπή APA

Wehrfritz, B. A. F. (2009). Group and ring theoretic properties of polycyclic groups. Springer.

Παραπομπή Chicago Style

Wehrfritz, Bertram A. F. Group and Ring Theoretic Properties of Polycyclic Groups. London ; New York: Springer, 2009.

Παραπομπή MLA

Wehrfritz, Bertram A. F. Group and Ring Theoretic Properties of Polycyclic Groups. Springer, 2009.