Montana Bureau of Mines and Geology, Mining Association of Montana, & Mineral resources survey. (1940). Directory of Montana mining properties. Montana School of Mines.
Cita Chicago Style (17a ed.)Montana Bureau of Mines and Geology, Mining Association of Montana, y Mineral resources survey. Directory of Montana Mining Properties. Butte, Mont.: Montana School of Mines, 1940.
Cita MLA (8a ed.)Montana Bureau of Mines and Geology, et al. Directory of Montana Mining Properties. Montana School of Mines, 1940.
Precaución: Estas citas no son 100% exactas.