Esguerra, C. V. (2004). Cops to wear Kotong pins in effort to stop extortion. Philippine Daily Inquirer.
芝加哥风格引文Esguerra, Christian V. "Cops to Wear Kotong Pins in Effort to Stop Extortion." Philippine Daily Inquirer 2004.
MLA引文Esguerra, Christian V. "Cops to Wear Kotong Pins in Effort to Stop Extortion." Philippine Daily Inquirer, 2004.
警告：这些引文格式不一定是100％准确.