De Asis, K. (2003). Lessons from the most valuable brands. Philippine Daily Inquirer.
Chicago Style (17. basım) AtıfDe Asis, Karen. "Lessons from the Most Valuable Brands." Philippine Daily Inquirer 2003.
MLA (9th ed.) AtıfDe Asis, Karen. "Lessons from the Most Valuable Brands." Philippine Daily Inquirer, 2003.
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