Philippines. National Police Commission & Planning Service. (1973). An annotated bibliography on Philippine law enforcement. NAPOLCOM.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. National Police Commission और Planning Service. An Annotated Bibliography on Philippine Law Enforcement. Makati, Rizal: NAPOLCOM, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. National Police Commission और Planning Service. An Annotated Bibliography on Philippine Law Enforcement. NAPOLCOM, 1973.
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