Não informado. (1960). American Machinist and Metalworking Manufacturing. McGraw-Hill.
Chicago-referens (17:e uppl.)Não informado. American Machinist and Metalworking Manufacturing. New York: McGraw-Hill, 1960.
MLA-referens (8:e uppl.)Não informado. American Machinist and Metalworking Manufacturing. McGraw-Hill, 1960.
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