Villanueva, M. A. (2002). GMA endorses proposed for tougher Dangerous Drug Act. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star, 2002.
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