Leadbetter, P. (1991). Prolog: From formal specification to prototype. Blackwell scientific publications.
Citación estilo ChicagoLeadbetter, Peter. Prolog: From Formal Specification to Prototype. London: Blackwell scientific publications, 1991.
Cita MLALeadbetter, Peter. Prolog: From Formal Specification to Prototype. Blackwell scientific publications, 1991.
Precaución: Estas citas no son 100% exactas.