United States. Division of Labor Standards. (1941). Beech Aircraft Corporation apprenticeship standards for tool, die, and jig builder apprentices and machinists' apprentices. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Division of Labor Standards. Beech Aircraft Corporation Apprenticeship Standards for Tool, Die, and Jig Builder Apprentices and Machinists' Apprentices. [Washington]: [publisher not identified], 1941.
MLA (9th ed.) CitationUnited States. Division of Labor Standards. Beech Aircraft Corporation Apprenticeship Standards for Tool, Die, and Jig Builder Apprentices and Machinists' Apprentices. [publisher not identified], 1941.
Warning: These citations may not always be 100% accurate.