United States. Department of Agriculture & Hayes, J. (1980). Cutting Energy Costs. U.S. Dept. of Agriculture : For sale by the Supt. of Docs., U.S. G.P.O..
Цитирование в стиле Чикаго (17-е изд.)United States. Department of Agriculture и Jack Hayes. Cutting Energy Costs. [Washington, D.C.]: U.S. Dept. of Agriculture : For sale by the Supt. of Docs., U.S. G.P.O., 1980.
Цитирование MLA (9-е изд.)United States. Department of Agriculture и Jack Hayes. Cutting Energy Costs. U.S. Dept. of Agriculture : For sale by the Supt. of Docs., U.S. G.P.O., 1980.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.