एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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