APA استشهاد

Passman, D. S. (1991). course in ring theory. Wadsworth and Brooks.

استشهاد بنمط شيكاغو

Passman, Donald S. Course in Ring Theory. California: Wadsworth and Brooks, 1991.

MLA استشهاد

Passman, Donald S. Course in Ring Theory. Wadsworth and Brooks, 1991.