Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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