APA aipamena

Cohen, S. D. (1991). Cowboys and samurai. New York: Harper Business.

Chicago Style aipamena

Cohen, Stephen D. Cowboys and Samurai. New York: Harper Business, 1991.

MLA aipamena

Cohen, Stephen D. Cowboys and Samurai. New York: Harper Business, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.