Não informado. (1919). Mining and Metallurgy. American Institute of Mining and Metallurgical Engineers.
Chicagoスタイル(17版)引用形式Não informado. Mining and Metallurgy. New York: American Institute of Mining and Metallurgical Engineers, 1919.
MLA(8版)引用形式Não informado. Mining and Metallurgy. American Institute of Mining and Metallurgical Engineers, 1919.
警告: この引用は必ずしも正確ではありません.