Sorensen, R. T., & Schaller, J. L. (1983). Evaluation of alumina extraction from coal waste: Composition and availability. U.S. Dept. of the Interior, Bureau of Mines.
Цитирование в стиле Чикаго (17-е изд.)Sorensen, Roy T., и John L. Schaller. Evaluation of Alumina Extraction from Coal Waste: Composition and Availability. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1983.
Цитирование MLA (9-е изд.)Sorensen, Roy T., и John L. Schaller. Evaluation of Alumina Extraction from Coal Waste: Composition and Availability. U.S. Dept. of the Interior, Bureau of Mines, 1983.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.