Thousand, J. S., Villa, R. A., & Nevin, A. (2007). Differentiating instruction: Collaborative planning and teaching for universally designed learning. Corwin Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Thousand, Jacqueline S., Richard A. Villa, و Ann Nevin. Differentiating Instruction: Collaborative Planning and Teaching for Universally Designed Learning. Thousand Oaks, Calif: Corwin Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Thousand, Jacqueline S., et al. Differentiating Instruction: Collaborative Planning and Teaching for Universally Designed Learning. Corwin Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.