Não informado. (1922). Engineering and Mining Journal-Press. McGraw-Hill Publications.
Chicagoスタイル(17版)引用形式Não informado. Engineering and Mining Journal-Press. New York: McGraw-Hill Publications, 1922.
MLA(8版)引用形式Não informado. Engineering and Mining Journal-Press. McGraw-Hill Publications, 1922.
警告: この引用は必ずしも正確ではありません.