Austero, B. C. (2008). Drinking unsafe water. IN Are we there yet [column]. Manila Standard Today.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAustero, Bong C. "Drinking Unsafe Water. IN Are We There yet [column]." Manila Standard Today 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAustero, Bong C. "Drinking Unsafe Water. IN Are We There yet [column]." Manila Standard Today, 2008.
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