(1997). Population act of 1997: It is important for the Filipinos? Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Population Act of 1997: It Is Important for the Filipinos?" Manila Bulletin 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Population Act of 1997: It Is Important for the Filipinos?" Manila Bulletin, 1997.
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