Não informado. (1905). Quarterly of the Colorado School of Mines. Colorado School of Mines Press.
Chicago-referens (17:e uppl.)Não informado. Quarterly of the Colorado School of Mines. Golden, Colo: Colorado School of Mines Press, 1905.
MLA-referens (8:e uppl.)Não informado. Quarterly of the Colorado School of Mines. Colorado School of Mines Press, 1905.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.