Montana Bureau of Mines and Geology, Mining Association of Montana, & Mineral resources survey. (1940). Directory of Montana mining properties. Montana School of Mines.
Style de citation Chicago (17e éd.)Montana Bureau of Mines and Geology, Mining Association of Montana, et Mineral resources survey. Directory of Montana Mining Properties. Butte, Mont.: Montana School of Mines, 1940.
Style de citation MLA (8e éd.)Montana Bureau of Mines and Geology, et al. Directory of Montana Mining Properties. Montana School of Mines, 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.