Watkins, R. P. (1974). Computer problem solving. Wiley Eastern.
Dyfyniad Arddull ChicagoWatkins, R P. Computer Problem Solving. Sydney: Wiley Eastern, 1974.
Dyfyniad MLAWatkins, R P. Computer Problem Solving. Wiley Eastern, 1974.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.