Não informado. (1953). World agricultural situation. U.S. Department of Agriculture, Economic Research Service.
Čikaški stil citiranja (17. izdanje)Não informado. World Agricultural Situation. Washington: U.S. Department of Agriculture, Economic Research Service, 1953.
MLA način citiranja (8. izdanje)Não informado. World Agricultural Situation. U.S. Department of Agriculture, Economic Research Service, 1953.
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