(1985). Prolog for programmers / Feliks Kluźniak and Stanisław Szpakowicz, with a contribution by Janusz S. Bień.
Citazione stile Chigago Style (17a edizione)Prolog for Programmers / Feliks Kluźniak and Stanisław Szpakowicz, with a Contribution by Janusz S. Bień. 1985.
Citatione MLA (9a ed.)Prolog for Programmers / Feliks Kluźniak and Stanisław Szpakowicz, with a Contribution by Janusz S. Bień. 1985.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.