De Asis, K. (2003). Lessons from the most valuable brands. Philippine Daily Inquirer.
Dyfyniad Arddull ChicagoDe Asis, Karen. "Lessons from the Most Valuable Brands." Philippine Daily Inquirer 2003.
Dyfyniad MLADe Asis, Karen. "Lessons from the Most Valuable Brands." Philippine Daily Inquirer, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.