एपीए उद्धरण

Hutchins, H. C. (1981). Examples of Commutative Rings. Passaic, New Jersey: Polygonal Publishing House.

शिकागो स्टाइल उद्धरण

Hutchins, Harry C. Examples of Commutative Rings. Passaic, New Jersey: Polygonal Publishing House, 1981.

एमएलए उद्धरण

Hutchins, Harry C. Examples of Commutative Rings. Passaic, New Jersey: Polygonal Publishing House, 1981.