Não informado. (1940). Machine shop magazine. Engineering, Chemical & Machine Press.
Style de citation Chicago (17e éd.)Não informado. Machine Shop Magazine. London: Engineering, Chemical & Machine Press, 1940.
Style de citation MLA (8e éd.)Não informado. Machine Shop Magazine. Engineering, Chemical & Machine Press, 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.