Esguerra, C. V. (2004). Cops to wear Kotong pins in effort to stop extortion. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Esguerra, Christian V. "Cops to Wear Kotong Pins in Effort to Stop Extortion." Philippine Daily Inquirer 2004.
MLA(9版)引用形式Esguerra, Christian V. "Cops to Wear Kotong Pins in Effort to Stop Extortion." Philippine Daily Inquirer, 2004.
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