Não informado. (1969). Machine shop and metalworking economics. Engineering, Chemical & Machine Press.
Style de citation Chicago (17e éd.)Não informado. Machine Shop and Metalworking Economics. London: Engineering, Chemical & Machine Press, 1969.
Style de citation MLA (8e éd.)Não informado. Machine Shop and Metalworking Economics. Engineering, Chemical & Machine Press, 1969.
Attention : ces citations peuvent ne pas être correctes à 100%.