Zorkoczy, P. (1990). Information Technology: An introduction (3rd ed.). Pitman.
Dyfyniad Arddull ChicagoZorkoczy, Peter. Information Technology: An Introduction. 3rd ed. London: Pitman, 1990.
Dyfyniad MLAZorkoczy, Peter. Information Technology: An Introduction. 3rd ed. Pitman, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.