Não informado. (1905). Quarterly of the Colorado School of Mines. Colorado School of Mines Press.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Quarterly of the Colorado School of Mines. Golden, Colo: Colorado School of Mines Press, 1905.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Quarterly of the Colorado School of Mines. Colorado School of Mines Press, 1905.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.