Hafenrichter, A. L. (1968). Grasses and legumes for soil conservation in the Pacific Northwest and Great Basin States. U.S. Soil Conservation Service.
Цитирование в стиле Чикаго (17-е изд.)Hafenrichter, A. L. Grasses and Legumes for Soil Conservation in the Pacific Northwest and Great Basin States. Washington: U.S. Soil Conservation Service, 1968.
Цитирование MLA (8-е изд.)Hafenrichter, A. L. Grasses and Legumes for Soil Conservation in the Pacific Northwest and Great Basin States. U.S. Soil Conservation Service, 1968.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.