American Mining Congress. Convention. (1912). Report of the proceedings of the fifteenth annual session, American Mining Congress, Spokane, Wash., Nov. 25-29, 1912. The Congress.
Цитирование в стиле Чикаго (17-е изд.)American Mining Congress. Convention. Report of the Proceedings of the Fifteenth Annual Session, American Mining Congress, Spokane, Wash., Nov. 25-29, 1912. [Washington? D.C.: The Congress, 1912.
Цитирование MLA (8-е изд.)American Mining Congress. Convention. Report of the Proceedings of the Fifteenth Annual Session, American Mining Congress, Spokane, Wash., Nov. 25-29, 1912. The Congress, 1912.
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