APA استشهاد

Rowen, L. H. (1988). Ring theory. .-Student edition (Student edition.). Academic Press.

استشهاد بنمط شيكاغو

Rowen, Louis Halle. Ring Theory. .-Student Edition. Student edition. Boston: Academic Press, 1988.

MLA استشهاد

Rowen, Louis Halle. Ring Theory. .-Student Edition. Student edition. Academic Press, 1988.