Não informado. (2001). Annual report of the United States Department of Agriculture. U.S. Department of Agriculture.
Chicago-viite (17. p.)Não informado. Annual Report of the United States Department of Agriculture. Washington: U.S. Department of Agriculture, 2001.
MLA-viite (8. p.)Não informado. Annual Report of the United States Department of Agriculture. U.S. Department of Agriculture, 2001.
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