Chipongian, L. (2000). Industries primed for clean air law. Manila Times.
芝加哥风格引文Chipongian, Lee. "Industries Primed for Clean Air Law." Manila Times 2000.
MLA引文Chipongian, Lee. "Industries Primed for Clean Air Law." Manila Times, 2000.
警告：这些引文格式不一定是100％准确.