Sullo, R. A. (2009). The motivated student: Unlocking the enthusiasm for learning. Association for Supervision and Curriculum Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sullo, Robert A. The Motivated Student: Unlocking the Enthusiasm for Learning. Alexandria, Va.: Association for Supervision and Curriculum Development, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Sullo, Robert A. The Motivated Student: Unlocking the Enthusiasm for Learning. Association for Supervision and Curriculum Development, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.