Umar Man. (2018). Identifying critical success factors for school improvement among excellent principals in high performing schools in Malaysia: A case study.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Umar Man. Identifying Critical Success Factors for School Improvement Among Excellent Principals in High Performing Schools in Malaysia: A Case Study. 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Umar Man. Identifying Critical Success Factors for School Improvement Among Excellent Principals in High Performing Schools in Malaysia: A Case Study. 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.