Calumpita, R. E. (2003). QC cops charged with extortion. Manila Times.
芝加哥风格引文Calumpita, Ronnie E. "QC Cops Charged with Extortion." Manila Times 2003.
MLA引文Calumpita, Ronnie E. "QC Cops Charged with Extortion." Manila Times, 2003.
警告：这些引文格式不一定是100％准确.