Lightning Protection Seminar University of Malaya & University of Malaya (1962- ). Dept. of Engineering. (1977). Seminar Perlindungan Kilat =: Lightning Protection Seminar, 28hb & 29hb November 1977. Fakulti Kejuruteraan, Universiti Malaya.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lightning Protection Seminar University of Malaya و University of Malaya (1962- ). Dept. of Engineering. Seminar Perlindungan Kilat =: Lightning Protection Seminar, 28hb & 29hb November 1977. [Kuala Lumpur]: Fakulti Kejuruteraan, Universiti Malaya, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lightning Protection Seminar University of Malaya و University of Malaya (1962- ). Dept. of Engineering. Seminar Perlindungan Kilat =: Lightning Protection Seminar, 28hb & 29hb November 1977. Fakulti Kejuruteraan, Universiti Malaya, 1977.