Dumlao, T. A. (2001). Sustaining a venture for 25 years by putting personal touches. Philippine Daily Inquirer.
Chicago-referens (17:e uppl.)Dumlao, Tina Arceo. "Sustaining a Venture for 25 Years by Putting Personal Touches." Philippine Daily Inquirer 2001.
MLA-referens (9:e uppl.)Dumlao, Tina Arceo. "Sustaining a Venture for 25 Years by Putting Personal Touches." Philippine Daily Inquirer, 2001.
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