Roberts, A. D. (1978). Programming for Numarical Control Machines (2nd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoRoberts, Arthur D. Programming for Numarical Control Machines. 2nd ed. New York: McGraw-Hill, 1978.
Dyfyniad MLARoberts, Arthur D. Programming for Numarical Control Machines. 2nd ed. McGraw-Hill, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.