Não informado. (1969). Machine shop and metalworking economics. Engineering, Chemical & Machine Press.
Cita Chicago Style (17a ed.)Não informado. Machine Shop and Metalworking Economics. London: Engineering, Chemical & Machine Press, 1969.
Cita MLA (8a ed.)Não informado. Machine Shop and Metalworking Economics. Engineering, Chemical & Machine Press, 1969.
Precaución: Estas citas no son 100% exactas.