United States Department of Agriculture, & USDA study team on organic farming. (1980). Report and recommendations on organic farming. United States: United States Department of Agriculture.
Trích dẫn kiểu ChicagoUnited States Department of Agriculture, và USDA study team on organic farming. Report and Recommendations On Organic Farming. United States: United States Department of Agriculture, 1980.
ציטוט MLAUnited States Department of Agriculture, và USDA study team on organic farming. Report and Recommendations On Organic Farming. United States: United States Department of Agriculture, 1980.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.