Basset, W. R., & Heywood, J. (1922). Production engineering and cost keeping for machine shops. McGraw-Hill Book Company, inc..
Dyfyniad Arddull ChicagoBasset, William Rupert, and Johnson Heywood. Production Engineering and Cost Keeping for Machine Shops. New York [etc.]: McGraw-Hill Book Company, inc., 1922.
Dyfyniad MLABasset, William Rupert, and Johnson Heywood. Production Engineering and Cost Keeping for Machine Shops. McGraw-Hill Book Company, inc., 1922.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.