Παραπομπή APA

Mongomery, S., & Small L. (1992). Non Commutative rings. springer verlag.

Παραπομπή Chicago Style

Mongomery, S., και Small L. Non Commutative Rings. springer verlag, 1992.

Παραπομπή MLA

Mongomery, S., και Small L. Non Commutative Rings. springer verlag, 1992.