Sippl, C. J., & Mayer, J. C. (1980). The essential computer dictionary and speller. Prentice-Hall.
Dyfyniad Arddull ChicagoSippl, Charles J., and JoAnne Coffman Mayer. The Essential Computer Dictionary and Speller. Englewood Cliffs, N.J.: Prentice-Hall, 1980.
Dyfyniad MLASippl, Charles J., and JoAnne Coffman Mayer. The Essential Computer Dictionary and Speller. Prentice-Hall, 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.