Villanueva, M. A. (2002). GMA endorses proposed for tougher Dangerous Drug Act. Philippine Star.
Chicago (17e ed.) BronvermeldingVillanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star 2002.
MLA (9e ed.) BronvermeldingVillanueva, Marichu A. "GMA Endorses Proposed for Tougher Dangerous Drug Act." Philippine Star, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.