Dumlao, T. A. (2004). Dont know where to invest in? Check the services sector. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Dumlao, Tina Arceo. "Dont Know Where to Invest in? Check the Services Sector." Philippine Daily Inquirer 2004.
MLA-referens (9:e uppl.)Dumlao, Tina Arceo. "Dont Know Where to Invest in? Check the Services Sector." Philippine Daily Inquirer, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.