United States. Dept. of Agriculture. Economic Research Service, United States. World Agricultural Outlook Board, United States. Foreign Agricultural Service, United States. Dept. of Agriculture. Economics, Statistics, and Cooperatives Service, & United States. World Food and Agricultural Outlook and Situation Board. (1979). Foreign agriculture circular. Foreign Agricultural Service.

United States. Dept. of Agriculture. Economic Research Service, United States. World Agricultural Outlook Board, United States. Foreign Agricultural Service, Statistics United States. Dept. of Agriculture. Economics, and United States. World Food and Agricultural Outlook and Situation Board. Foreign Agriculture Circular. Washington, D.C.: Foreign Agricultural Service, 1979.

United States. Dept. of Agriculture. Economic Research Service, et al. Foreign Agriculture Circular. Foreign Agricultural Service, 1979.