Villanueva, M. A. (2002). GMA endorses proposed for tougher Dangerous Drug Act. Philippine Star.
Chicago Style (17. basım) AtıfVillanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star 2002.
MLA (9th ed.) AtıfVillanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star, 2002.
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