Mohamed Elgayar, S. I. (1964). Developments in technical (Industrial) education in Egypt (U.A.R.) compared with some aspects of the development of English technical education: A historical and comparative study of education below the university level , 1900-1962. University of London.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohamed Elgayar, Sayed Ibrahim. Developments in Technical (Industrial) Education in Egypt (U.A.R.) Compared with Some Aspects of the Development of English Technical Education: A Historical and Comparative Study of Education Below the University Level , 1900-1962. London: University of London, 1964.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohamed Elgayar, Sayed Ibrahim. Developments in Technical (Industrial) Education in Egypt (U.A.R.) Compared with Some Aspects of the Development of English Technical Education: A Historical and Comparative Study of Education Below the University Level , 1900-1962. University of London, 1964.