Não informado. (1975). Cotton and wool situation. U.S. Department of Agriculture, Economic Research Service.
Chicago-viite (17. p.)Não informado. Cotton and Wool Situation. Washington: U.S. Department of Agriculture, Economic Research Service, 1975.
MLA-viite (8. p.)Não informado. Cotton and Wool Situation. U.S. Department of Agriculture, Economic Research Service, 1975.
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