Frialde, M. (2015). MMDA wants quake drills institutionalized. Philippine Star.
Cita Chicago (17th ed.)Frialde, Mike. "MMDA Wants Quake Drills Institutionalized." Philippine Star 2015.
Cita MLA (9th ed.)Frialde, Mike. "MMDA Wants Quake Drills Institutionalized." Philippine Star, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.