Asian Development Bank. (1998). Philippines: Country operational strategy study. Asian Development Bank.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAsian Development Bank. Philippines: Country Operational Strategy Study. Philippines: Asian Development Bank, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAsian Development Bank. Philippines: Country Operational Strategy Study. Asian Development Bank, 1998.
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