Παραπομπή APA

Jonsson, B. (1972). Topics in universal algebra. Springer-Verlag.

Παραπομπή Chicago Style

Jonsson, Bjarni. Topics in Universal Algebra. Berilin: Springer-Verlag, 1972.

Παραπομπή MLA

Jonsson, Bjarni. Topics in Universal Algebra. Springer-Verlag, 1972.