(1997). Population act of 1997: It is important for the Filipinos? Manila Bulletin.
Chicago Style (17. basım) Atıf"Population Act of 1997: It Is Important for the Filipinos?" Manila Bulletin 1997.
MLA (9th ed.) Atıf"Population Act of 1997: It Is Important for the Filipinos?" Manila Bulletin, 1997.
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