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Citación estilo ChicagoUnited States. Dept. of Agriculture. Economic Research Service, United States. Dept. of Agriculture. Economics and Statistics Service, and Statistics United States. Dept. of Agriculture. Economics. Cotton and Wool Situation. Washington, D.C.: Economic Research Service, U.S. Dept. of Agriculture, 1975.
Cita MLAUnited States. Dept. of Agriculture. Economic Research Service, et al. Cotton and Wool Situation. Economic Research Service, U.S. Dept. of Agriculture, 1975.