Não informado. (1983). World Mining Equipment. Technical Publishing Corporation.
Chicagoスタイル(17版)引用形式Não informado. World Mining Equipment. New York: Technical Publishing Corporation, 1983.
MLA(8版)引用形式Não informado. World Mining Equipment. Technical Publishing Corporation, 1983.
警告: この引用は必ずしも正確ではありません.