APA ציטוט

Cramer, G. L. (1997). Agricultural economics and agribusiness. New York: John Wiley and Sons.

Trích dẫn kiểu Chicago

Cramer, Gail L. Agricultural Economics and Agribusiness. New York: John Wiley and Sons, 1997.

ציטוט MLA

Cramer, Gail L. Agricultural Economics and Agribusiness. New York: John Wiley and Sons, 1997.