NORTON, P. (1999). Peter Nortons introduction to computers. McGraw-Hill.
Dyfyniad Arddull ChicagoNORTON, Peter. Peter Nortons Introduction to Computers. McGraw-Hill, 1999.
Dyfyniad MLANORTON, Peter. Peter Nortons Introduction to Computers. McGraw-Hill, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.