Alvarez, H. T. (2003). DENR's new order a major setback vs RP's anti-air pollution drive. Philippine Star.
Style de citation Chicago (17e éd.)Alvarez, Heherson T. "DENR's New Order a Major Setback Vs RP's Anti-air Pollution Drive." Philippine Star 2003.
Style de citation MLA (9e éd.)Alvarez, Heherson T. "DENR's New Order a Major Setback Vs RP's Anti-air Pollution Drive." Philippine Star, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.