Manongdo, J. F. (2008). Studies show more teenagers are smoking, drinking, taking drugs. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManongdo, Jenny F. "Studies Show More Teenagers Are Smoking, Drinking, Taking Drugs." Manila Bulletin 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रManongdo, Jenny F. "Studies Show More Teenagers Are Smoking, Drinking, Taking Drugs." Manila Bulletin, 2008.
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