APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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