Rowen, L. H. (1988). Ring theory. .-Student edition (Student edition.). Academic Press.
Chicago Edition CitationRowen, Louis Halle. Ring Theory. .-Student Edition. Student edition. Boston: Academic Press, 1988.
Cita MLARowen, Louis Halle. Ring Theory. .-Student Edition. Student edition. Academic Press, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.