Dyfyniad APA

Cramer, G. L., & Jensen, C. W. (1988). Agricultural economics and agribusiness (4th ed.). Wiley.

Dyfyniad Arddull Chicago

Cramer, Gail L., and Clarence W. Jensen. Agricultural Economics and Agribusiness. 4th ed. New York: Wiley, 1988.

Dyfyniad MLA

Cramer, Gail L., and Clarence W. Jensen. Agricultural Economics and Agribusiness. 4th ed. Wiley, 1988.

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