APA aipamena

United States. Dept. of Agriculture. Economic Research Service. (1991). World agriculture. U.S. Dept. of Agriculture, Economic Research Service.

Chicago Style aipamena

United States. Dept. of Agriculture. Economic Research Service. World Agriculture. Washington, D.C.: U.S. Dept. of Agriculture, Economic Research Service, 1991.

MLA aipamena

United States. Dept. of Agriculture. Economic Research Service. World Agriculture. U.S. Dept. of Agriculture, Economic Research Service, 1991.