Não informado. (1956). Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. American Institute of Mining, Metallurgical and Petroleum Engineers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. New York: American Institute of Mining, Metallurgical and Petroleum Engineers, 1956.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers. American Institute of Mining, Metallurgical and Petroleum Engineers, 1956.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.