Shelly, G. B. (1980). Introduction to computers and data processing.
Dyfyniad Arddull ChicagoShelly, Gary B. Introduction to Computers and Data Processing. Anaheim, 1980.
Dyfyniad MLAShelly, Gary B. Introduction to Computers and Data Processing. 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.