Al-Badr, M. S., & Quisenberry, J. (1993). Predictors of success in self-instruction courses on micro-computer application software. Southern Illinois University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Badr, Mohammed Saud, و James Quisenberry. Predictors of Success in Self-instruction Courses on Micro-computer Application Software. Illinois: Southern Illinois University, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Badr, Mohammed Saud, و James Quisenberry. Predictors of Success in Self-instruction Courses on Micro-computer Application Software. Southern Illinois University, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.