APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.