Yusuf, M. (2010). Self-efficacy, achievement motivation, and self-regulated learning strategies of UKM undergraduate students and their impact on academic achievement.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yusuf, Muhammed. Self-efficacy, Achievement Motivation, and Self-regulated Learning Strategies of UKM Undergraduate Students and Their Impact on Academic Achievement. 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yusuf, Muhammed. Self-efficacy, Achievement Motivation, and Self-regulated Learning Strategies of UKM Undergraduate Students and Their Impact on Academic Achievement. 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.