Crookes, D. (1988). Introduction to programming in Prolog. Prentice Hall.
Dyfyniad Arddull ChicagoCrookes, Danny. Introduction to Programming in Prolog. New York: Prentice Hall, 1988.
Dyfyniad MLACrookes, Danny. Introduction to Programming in Prolog. Prentice Hall, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.