United States. Dept. of Agriculture. Commodity Economics Division, United States. Dept. of Agriculture. Economics, Statistics, and Cooperatives Service, United States. Dept. of Agriculture. National Economics Division, & United States. Dept. of Agriculture. National Economic Analysis Division. (1978). National food review. National Economic Analysis Division of the Economics, Statistics, and Cooperatives Service, U.S. Dept. of Agriculture : Supt. of Docs., U.S. G.P.O., distributor.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Dept. of Agriculture. Commodity Economics Division, Statistics United States. Dept. of Agriculture. Economics, United States. Dept. of Agriculture. National Economics Division, و United States. Dept. of Agriculture. National Economic Analysis Division. National Food Review. [Washington: National Economic Analysis Division of the Economics, Statistics, and Cooperatives Service, U.S. Dept. of Agriculture : Supt. of Docs., U.S. G.P.O., distributor, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Dept. of Agriculture. Commodity Economics Division, et al. National Food Review. National Economic Analysis Division of the Economics, Statistics, and Cooperatives Service, U.S. Dept. of Agriculture : Supt. of Docs., U.S. G.P.O., distributor, 1978.