Regional Institute of Higher Education and Development & Yip, Y. H. (1973). Roles of universities in local and regional development in Southeast Asia: Proceedings of the workshop held in Penang, 4-7 December, 1972. Regional Institute of Higher Education and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Regional Institute of Higher Education and Development و Yat Hoong Yip. Roles of Universities in Local and Regional Development in Southeast Asia: Proceedings of the Workshop Held in Penang, 4-7 December, 1972. Singapore: Regional Institute of Higher Education and Development, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Regional Institute of Higher Education and Development و Yat Hoong Yip. Roles of Universities in Local and Regional Development in Southeast Asia: Proceedings of the Workshop Held in Penang, 4-7 December, 1972. Regional Institute of Higher Education and Development, 1973.