Roces, A. R. (1997). The Sordid record of the Philippine National Police. IN Roses & Thorns [column]. Philippine Star.
Čikaški stil citiranja (17. izdanje)Roces, Alejandro R. "The Sordid Record of the Philippine National Police. IN Roses & Thorns [column]." Philippine Star 1997.
MLA način citiranja (9. izdanje)Roces, Alejandro R. "The Sordid Record of the Philippine National Police. IN Roses & Thorns [column]." Philippine Star, 1997.
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