Cramer Gail C. (2001). Agricultural Economics (8th.). John Wiley & Sons Inc.
Čikaški stil citiranja (17. izdanje)Cramer Gail C. Agricultural Economics. 8th. New York: John Wiley & Sons Inc, 2001.
MLA način citiranja (9. izdanje)Cramer Gail C. Agricultural Economics. 8th. John Wiley & Sons Inc, 2001.
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