Long, L. E. (1994). Introduction to computers and information systems. Upper Saddle River, NJ: Prentice Hall.
Dyfyniad Arddull ChicagoLong, Larry E. Introduction to Computers and Information Systems. Upper Saddle River, NJ: Prentice Hall, 1994.
Dyfyniad MLALong, Larry E. Introduction to Computers and Information Systems. Upper Saddle River, NJ: Prentice Hall, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.