Cagahastian, D. (2004). RP ranks 83rd out of 177 countries in human development. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCagahastian, David. "RP Ranks 83rd Out of 177 Countries in Human Development." Manila Bulletin 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCagahastian, David. "RP Ranks 83rd Out of 177 Countries in Human Development." Manila Bulletin, 2004.
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