Alvarez, H. T. (2003). DENR's new order a major setback vs RP's anti-air pollution drive. Philippine Star.
Chicagoスタイル(17版)引用形式Alvarez, Heherson T. "DENR's New Order a Major Setback Vs RP's Anti-air Pollution Drive." Philippine Star 2003.
MLA(9版)引用形式Alvarez, Heherson T. "DENR's New Order a Major Setback Vs RP's Anti-air Pollution Drive." Philippine Star, 2003.
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