APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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