Bratko,Ivan. (2007). Prolog: Programming for Artificial Intelligence.3rd Ed. Pearson.
Lua i Stíl Chicago (17ú heag.)Bratko,Ivan. Prolog: Programming for Artificial Intelligence.3rd Ed. New delhi: Pearson, 2007.
Lua MLA (9ú heag.)Bratko,Ivan. Prolog: Programming for Artificial Intelligence.3rd Ed. Pearson, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.