Villafania, A. (2006). Call center labor shortage bearing down on RP. Philippine Daily Inquirer.
Cita Chicago Style (17a ed.)Villafania, Alex. "Call Center Labor Shortage Bearing Down on RP." Philippine Daily Inquirer 2006.
Cita MLA (9a ed.)Villafania, Alex. "Call Center Labor Shortage Bearing Down on RP." Philippine Daily Inquirer, 2006.
Precaución: Estas citas no son 100% exactas.