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.
Chicago-стиль цитированияUnited 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.
MLA-цитированиеUnited 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.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.