Hutchinson, S. E. (2000). Computers and information systems. Irwin.
Dyfyniad Arddull ChicagoHutchinson, Sarah E. Computers and Information Systems. Chicago: Irwin, 2000.
Dyfyniad MLAHutchinson, Sarah E. Computers and Information Systems. Irwin, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.