Bratko, I. (2001). Prolog programming for artificial intelligence (3rd ed.). Pearson/Addison Wesley.
Chicago-viite (17. p.)Bratko, Ivan. Prolog Programming for Artificial Intelligence. 3rd ed. Harlow, England ; New York: Pearson/Addison Wesley, 2001.
MLA-viite (8. p.)Bratko, Ivan. Prolog Programming for Artificial Intelligence. 3rd ed. Pearson/Addison Wesley, 2001.
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