Evans, R. (1991). Norton utilities 5.0: An illustrated tutorial. Windcrest books.
Dyfyniad Arddull ChicagoEvans, Richard. Norton Utilities 5.0: An Illustrated Tutorial. Windcrest books, 1991.
Dyfyniad MLAEvans, Richard. Norton Utilities 5.0: An Illustrated Tutorial. Windcrest books, 1991.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.