Não informado. (1959). Machines and Tooling. Production Engineering Research Association.
Chicago-Zitierstil (17. Ausg.)Não informado. Machines and Tooling. Melton Mowbray, Inglaterra: Production Engineering Research Association, 1959.
MLA-Zitierstil (8. Ausg.)Não informado. Machines and Tooling. Production Engineering Research Association, 1959.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.