Nortons, P. (2003). Introduction to computers. McGraw-Hill.
Dyfyniad Arddull ChicagoNortons, Peter. Introduction to Computers. McGraw-Hill, 2003.
Dyfyniad MLANortons, Peter. Introduction to Computers. McGraw-Hill, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.