Studies, D. o. S. E. a. C. (2019). Principles and Problems of Instruction in Higher Education. Obafemi Awolowo University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Studies, Department of Special Education and Curriculum. Principles and Problems of Instruction in Higher Education. Obafemi Awolowo University, 2019.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Studies, Department of Special Education and Curriculum. Principles and Problems of Instruction in Higher Education. Obafemi Awolowo University, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.