Wahby, E. I. E., & Taylor, A. s. (2002). Diagnosis and mastery treatment in mathematics a strategy for renadial teaching in the upper forms of Egyptian primary schools. University of Wales,Department of Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wahby, El-Sayed Ismail El-Sayed, و Andrew supervisor Taylor. Diagnosis and Mastery Treatment in Mathematics a Strategy for Renadial Teaching in the Upper Forms of Egyptian Primary Schools. Wales, Britain: University of Wales,Department of Education, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wahby, El-Sayed Ismail El-Sayed, و Andrew supervisor Taylor. Diagnosis and Mastery Treatment in Mathematics a Strategy for Renadial Teaching in the Upper Forms of Egyptian Primary Schools. University of Wales,Department of Education, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.