Regional Institute of Higher Education and Development, Nasution, S., & Banphot Wīrasai. (1978). Higher education and social commitment: Proceedings of the regional seminar held in Singapore, 15-17 December 1977. Regional Institute of Higher Education and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Regional Institute of Higher Education and Development, S. Nasution, و Banphot Wīrasai. Higher Education and Social Commitment: Proceedings of the Regional Seminar Held in Singapore, 15-17 December 1977. Singapore: Regional Institute of Higher Education and Development, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Regional Institute of Higher Education and Development, et al. Higher Education and Social Commitment: Proceedings of the Regional Seminar Held in Singapore, 15-17 December 1977. Regional Institute of Higher Education and Development, 1978.