Não informado. Outlook for U.S. Agricultural Exports. U.S. Department of Agriculture, Economic Research Service.
Chicago Style (17. basım) AtıfNão informado. Outlook for U.S. Agricultural Exports. Washington: U.S. Department of Agriculture, Economic Research Service.
MLA (8th ed.) AtıfNão informado. Outlook for U.S. Agricultural Exports. U.S. Department of Agriculture, Economic Research Service.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..