Richardson, J. V. (1995). Knowledge-based systems for general reference work: Applications, problems, and progress. Academic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Richardson, John V. Knowledge-based Systems for General Reference Work: Applications, Problems, and Progress. San Diego: Academic Press, 1995.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Richardson, John V. Knowledge-based Systems for General Reference Work: Applications, Problems, and Progress. Academic Press, 1995.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.