Montana Bureau of Mines and Geology, Mining Association of Montana, & Mineral resources survey. (1940). Directory of Montana mining properties. Montana School of Mines.
Цитирование в стиле Чикаго (17-е изд.)Montana Bureau of Mines and Geology, Mining Association of Montana, и Mineral resources survey. Directory of Montana Mining Properties. Butte, Mont.: Montana School of Mines, 1940.
Цитирование MLA (8-е изд.)Montana Bureau of Mines and Geology, et al. Directory of Montana Mining Properties. Montana School of Mines, 1940.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.