United States. Training Service. (1919). Successful apprentice toolmakers' school; methods used by large manufacturing company for training new employees to operate machine tools and for subassembly work, and to upgrade experienced operators for work in tool room. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Training Service. Successful Apprentice Toolmakers' School; Methods Used by Large Manufacturing Company for Training New Employees to Operate Machine Tools and for Subassembly Work, and to Upgrade Experienced Operators for Work in Tool Room. Washington: U.S. GPO, 1919.
MLA (9th ed.) CitationUnited States. Training Service. Successful Apprentice Toolmakers' School; Methods Used by Large Manufacturing Company for Training New Employees to Operate Machine Tools and for Subassembly Work, and to Upgrade Experienced Operators for Work in Tool Room. U.S. GPO, 1919.