SMID, P. (2003). CNC PROGRAMMING HANDBOOK (WITH CD), 2ND ED. INDUSTRIAL PRESS.
Dyfyniad Arddull ChicagoSMID, P. CNC PROGRAMMING HANDBOOK (WITH CD), 2ND ED. NEW-YORK: INDUSTRIAL PRESS, 2003.
Dyfyniad MLASMID, P. CNC PROGRAMMING HANDBOOK (WITH CD), 2ND ED. INDUSTRIAL PRESS, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.