Ignizio, J. P. (1991). Introduction to expert systems: The development and implementation of rule-based expert systems. McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ignizio, James P. Introduction to Expert Systems: The Development and Implementation of Rule-based Expert Systems. New York: McGraw-Hill, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ignizio, James P. Introduction to Expert Systems: The Development and Implementation of Rule-based Expert Systems. McGraw-Hill, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.