APA (7th ed.) Zitazioa

Covington, M. A., Nute, D., & Vellino, A. (1997). Prolog programming in depth. Prentice Hall.

Chicago Style (17th ed.) Zitazioa

Covington, Michel A., Donald Nute, eta André Vellino. Prolog Programming in Depth. Hoboken: Prentice Hall, 1997.

MLA (9th ed.) Zitazioa

Covington, Michel A., et al. Prolog Programming in Depth. Prentice Hall, 1997.