Ong, E. D. (2003). China developing English - speaking talents fast, Philippine call center operators should watch out. Manila Bulletin.
Chicago-referens (17:e uppl.)Ong, Edison Dy. "China Developing English - Speaking Talents Fast, Philippine Call Center Operators Should Watch Out." Manila Bulletin 2003.
MLA-referens (9:e uppl.)Ong, Edison Dy. "China Developing English - Speaking Talents Fast, Philippine Call Center Operators Should Watch Out." Manila Bulletin, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.