Ong, E. D. (2003). China developing English - speaking talents fast, Philippine call center operators should watch out. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Ong, Edison Dy. "China Developing English - Speaking Talents Fast, Philippine Call Center Operators Should Watch Out." Manila Bulletin 2003.
Citatione MLA (9a ed.)Ong, Edison Dy. "China Developing English - Speaking Talents Fast, Philippine Call Center Operators Should Watch Out." Manila Bulletin, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.