WALKER, J. R. (1976). Modern metalworking: Materials, tools and procedures. The Goodheart-Willcox.
Citación estilo ChicagoWALKER, John R. Modern Metalworking: Materials, Tools and Procedures. Illinois: The Goodheart-Willcox, 1976.
Cita MLAWALKER, John R. Modern Metalworking: Materials, Tools and Procedures. The Goodheart-Willcox, 1976.
Warning: These citations may not always be 100% accurate.