APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.