Não informado. (1929). Machine Design: As it affects engineering, production, sales. Penton Publishing.
Cita Chicago Style (17a ed.)Não informado. Machine Design: As It Affects Engineering, Production, Sales. Cleveland, Ohio: Penton Publishing, 1929.
Cita MLA (8a ed.)Não informado. Machine Design: As It Affects Engineering, Production, Sales. Penton Publishing, 1929.
Precaución: Estas citas no son 100% exactas.