APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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