Esguerra, C. V. (2004). Cops to wear Kotong pins in effort to stop extortion. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Esguerra, Christian V. "Cops to Wear Kotong Pins in Effort to Stop Extortion." Philippine Daily Inquirer 2004.
MLA način citiranja (9. izdanje)Esguerra, Christian V. "Cops to Wear Kotong Pins in Effort to Stop Extortion." Philippine Daily Inquirer, 2004.
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