Villanueva, M. A. (2002). GMA endorses proposed for tougher Dangerous Drug Act. Philippine Star.
Cita Chicago (17th ed.)Villanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star 2002.
Cita MLA (9th ed.)Villanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.