Não informado. (1932). Mines Magazine. Colorado School of Mines Alumni.
Chicagoスタイル(17版)引用形式Não informado. Mines Magazine. Golden, Colo: Colorado School of Mines Alumni, 1932.
MLA(8版)引用形式Não informado. Mines Magazine. Colorado School of Mines Alumni, 1932.
警告: この引用は必ずしも正確ではありません.