Leadbetter, P. (1991). Prolog: From formal specification to prototype. Blackwell scientific publications.
استشهاد بنمط شيكاغوLeadbetter, Peter. Prolog: From Formal Specification to Prototype. London: Blackwell scientific publications, 1991.
MLA استشهادLeadbetter, Peter. Prolog: From Formal Specification to Prototype. Blackwell scientific publications, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.