Bratko, I. (2001). Prolog programming for artificial intelligence (3rd ed.). Addison Wesley.
Dyfyniad Arddull ChicagoBratko, Ivan. Prolog Programming for Artificial Intelligence. 3rd ed. Harlow: Addison Wesley, 2001.
Dyfyniad MLABratko, Ivan. Prolog Programming for Artificial Intelligence. 3rd ed. Addison Wesley, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.