United States. Soil Conservation Service & Water Resources Publications (Firm). (1980). Field density and moisture content test: Nuclear gauge method. Water Resources Publications.
Цитирование в стиле Чикаго (17-е изд.)United States. Soil Conservation Service и Water Resources Publications (Firm). Field Density and Moisture Content Test: Nuclear Gauge Method. Littleton, Colo.: Water Resources Publications, 1980.
Цитирование MLA (8-е изд.)United States. Soil Conservation Service и Water Resources Publications (Firm). Field Density and Moisture Content Test: Nuclear Gauge Method. Water Resources Publications, 1980.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.