APA aipamena

Cohn, P. M. (1971). Free Rings and Their Relations. London: Academic Press.

Chicago Style aipamena

Cohn, P. M. Free Rings and Their Relations. London: Academic Press, 1971.

MLA aipamena

Cohn, P. M. Free Rings and Their Relations. London: Academic Press, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.