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