Tohutoro APA (7th ed.)

Oystaeyen, F. v. (1980). Ring theory. Springer-Verlag.

Tohutoru Kātū Chicago (17th ed.)

Oystaeyen, Freddy van. Ring Theory. Berlín: Springer-Verlag, 1980.

Tohutoro MLA (9th ed.)

Oystaeyen, Freddy van. Ring Theory. Springer-Verlag, 1980.