Sterling, L., & Shapiro, E. Y. (1986). The art of prolog: Advanced programming techniques. The MIT Press.
Lua i Stíl Chicago (17ú heag.)Sterling, Leon, agus Ehud Y. Shapiro. The Art of Prolog: Advanced Programming Techniques. Cambridge, Massachusetts: The MIT Press, 1986.
Lua MLA (9ú heag.)Sterling, Leon, agus Ehud Y. Shapiro. The Art of Prolog: Advanced Programming Techniques. The MIT Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.