Dizon, N. (2003). Metro needs number coding, survey shows. Philippine Star.
Cita Chicago (17th ed.)Dizon, Nikko. "Metro Needs Number Coding, Survey Shows." Philippine Star 2003.
Cita MLA (9th ed.)Dizon, Nikko. "Metro Needs Number Coding, Survey Shows." Philippine Star, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.