Turn, R. (1974). Computers in the 1980s. Columbia University Press.
Dyfyniad Arddull ChicagoTurn, Rein. Computers in the 1980s. New York: Columbia University Press, 1974.
Dyfyniad MLATurn, Rein. Computers in the 1980s. Columbia University Press, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.