APA aipamena

Crosby, A. W. J. (1973). The Columbian exchange: Biological and cultural consequences of 1492. Greenwood Press.

Chicago Style aipamena

Crosby, Alfred W. Jr. The Columbian Exchange: Biological and Cultural Consequences of 1492. Westport, Connecticut: Greenwood Press, 1973.

MLA aipamena

Crosby, Alfred W. Jr. The Columbian Exchange: Biological and Cultural Consequences of 1492. Greenwood Press, 1973.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.