Asian Research Institute for Social Development. (1981). Region one: Performance and prospects. Asian Research Institute for Social Development.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAsian Research Institute for Social Development. Region One: Performance and Prospects. [Manila]: Asian Research Institute for Social Development, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAsian Research Institute for Social Development. Region One: Performance and Prospects. Asian Research Institute for Social Development, 1981.
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