Vargas, A. (2003). PNP keeps tight rein on gun-carrying permits. Manila Times.
芝加哥风格引文Vargas, Anthony. "PNP Keeps Tight Rein on Gun-carrying Permits." Manila Times 2003.
MLA引文Vargas, Anthony. "PNP Keeps Tight Rein on Gun-carrying Permits." Manila Times, 2003.
警告：这些引文格式不一定是100％准确.