Não informado. (1969). Machine shop and metalworking economics. Engineering, Chemical & Machine Press.
Chicagoスタイル(17版)引用形式Não informado. Machine Shop and Metalworking Economics. London: Engineering, Chemical & Machine Press, 1969.
MLA(8版)引用形式Não informado. Machine Shop and Metalworking Economics. Engineering, Chemical & Machine Press, 1969.
警告: この引用は必ずしも正確ではありません.