Não informado. (1962). Foreign Agricultural Trade of the United States. U.S. Department of Agriculture, Economic Research Service.
Čikaški stil citiranja (17. izdanje)Não informado. Foreign Agricultural Trade of the United States. Washington: U.S. Department of Agriculture, Economic Research Service, 1962.
MLA način citiranja (8. izdanje)Não informado. Foreign Agricultural Trade of the United States. U.S. Department of Agriculture, Economic Research Service, 1962.
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