Institute of Southeast Asian Studies. ASEAN Economic Research Unit & Chia, S. Y. (1980). ASEAN economic co-operation: ASEAN Economic Research Unit workshop proceedings. Institute of Southeast Asian Studies, ASEAN Economic Research Unit.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Institute of Southeast Asian Studies. ASEAN Economic Research Unit و Siow Yue Chia. ASEAN Economic Co-operation: ASEAN Economic Research Unit Workshop Proceedings. Singapore: Institute of Southeast Asian Studies, ASEAN Economic Research Unit, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Institute of Southeast Asian Studies. ASEAN Economic Research Unit و Siow Yue Chia. ASEAN Economic Co-operation: ASEAN Economic Research Unit Workshop Proceedings. Institute of Southeast Asian Studies, ASEAN Economic Research Unit, 1980.