Cita APA (7a ed.)

Perpeña, E. C. (2001). Improving cell phone services. Manila Times.

Cita Chicago Style (17a ed.)

Perpeña, Ed C. "Improving Cell Phone Services." Manila Times 2001.

Cita MLA (9a ed.)

Perpeña, Ed C. "Improving Cell Phone Services." Manila Times, 2001.