Não informado. (1931). Cotton situation. U.S. Department of Agriculture, Bureau of Agricultural Economics.
Chicago Style (17th ed.) CitationNão informado. Cotton Situation. Washington: U.S. Department of Agriculture, Bureau of Agricultural Economics, 1931.
MLA (8th ed.) CitationNão informado. Cotton Situation. U.S. Department of Agriculture, Bureau of Agricultural Economics, 1931.
Warning: These citations may not always be 100% accurate.