Crosby, A. W. (1972). The Columbian exchange: Biological and cultural consequences of 1492. Greenwood.
Chicago-čujuhus (17. p.)Crosby, Alfred W. The Columbian Exchange: Biological and Cultural Consequences of 1492. Westport: Greenwood, 1972.
MLA-čujuhus (9. p.)Crosby, Alfred W. The Columbian Exchange: Biological and Cultural Consequences of 1492. Greenwood, 1972.
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