Casanova, S. B. (2002). Is using prepaid Internet cards a big risk? Manila Times.
Cita Chicago Style (17a ed.)Casanova, Sheryll B. "Is Using Prepaid Internet Cards a Big Risk?" Manila Times 2002.
Cita MLA (9a ed.)Casanova, Sheryll B. "Is Using Prepaid Internet Cards a Big Risk?" Manila Times, 2002.
Precaución: Estas citas no son 100% exactas.