Dumlao, T. A. (2001). Sustaining a venture for 25 years by putting personal touches. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoDumlao, Tina Arceo. "Sustaining a Venture for 25 Years by Putting Personal Touches." Philippine Daily Inquirer 2001.
Dyfyniad MLADumlao, Tina Arceo. "Sustaining a Venture for 25 Years by Putting Personal Touches." Philippine Daily Inquirer, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.