(1988). Turbo Prolog: User's guide. Versión 2.0. Borland International.
Chicago Style (17th ed.) CitationTurbo Prolog: User's Guide. Versión 2.0. Scotts Valley: Borland International, 1988.
MLA (9th ed.) CitationTurbo Prolog: User's Guide. Versión 2.0. Borland International, 1988.
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