APA (7e ed.) Bronvermelding

Cramer, G. L., & Jensen, C. W. (1997). Agricultural economics and agribusiness (6th. ed.). john wiley & sons, inc.

Chicago (17e ed.) Bronvermelding

Cramer, Gail L., en Clarence W. Jensen. Agricultural Economics and Agribusiness. 6th. ed. New York: john wiley & sons, inc, 1997.

MLA (9e ed.) Bronvermelding

Cramer, Gail L., en Clarence W. Jensen. Agricultural Economics and Agribusiness. 6th. ed. john wiley & sons, inc, 1997.