Ng, W. (2001). Unstoppable population growth leading case of poverty. Manila Bulletin.
Chicagoスタイル(17版)引用形式Ng, Willie. "Unstoppable Population Growth Leading Case of Poverty." Manila Bulletin 2001.
MLA(9版)引用形式Ng, Willie. "Unstoppable Population Growth Leading Case of Poverty." Manila Bulletin, 2001.
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