Sterling, L., & Shapiro, E. (1996). The art of Prolog. Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)Sterling, Leon, agus Ehud Shapiro. The Art of Prolog. New Delhi: Prentice-Hall of India, 1996.
Lua MLA (9ú heag.)Sterling, Leon, agus Ehud Shapiro. The Art of Prolog. Prentice-Hall of India, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.