APA (7 वां संस्करण) प्रशस्ति पत्र

(2001). 14 percent of RP's barangays facing serious drug problem - experts. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"14 Percent of RP's Barangays Facing Serious Drug Problem - Experts." Philippine Star 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"14 Percent of RP's Barangays Facing Serious Drug Problem - Experts." Philippine Star, 2001.