De Vera-Ruiz, E. DENR wants higher fines for environmental offenses. Manila Bulletin.
芝加哥风格引文De Vera-Ruiz, Ellalyn. "DENR Wants Higher Fines for Environmental Offenses." Manila Bulletin .
MLA引文De Vera-Ruiz, Ellalyn. "DENR Wants Higher Fines for Environmental Offenses." Manila Bulletin, .
警告：这些引文格式不一定是100％准确.