United States. Dept. of Agriculture. Economic Research Service, United States. Dept. of Agriculture. Economics and Statistics Service, & United States. World Food and Agricultural Outlook and Situation Board. (1981). Wheat outlook & situation. The Service.
Citación estilo ChicagoUnited States. Dept. of Agriculture. Economic Research Service, United States. Dept. of Agriculture. Economics and Statistics Service, and United States. World Food and Agricultural Outlook and Situation Board. Wheat Outlook & Situation. [Washington, D.C.]: The Service, 1981.
Cita MLAUnited States. Dept. of Agriculture. Economic Research Service, et al. Wheat Outlook & Situation. The Service, 1981.
Warning: These citations may not always be 100% accurate.