Tonogbanua, E. (2003). Differentiation takes over when branding takes a minor role. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTonogbanua, Eman. "Differentiation Takes over When Branding Takes a Minor Role." Philippine Daily Inquirer 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTonogbanua, Eman. "Differentiation Takes over When Branding Takes a Minor Role." Philippine Daily Inquirer, 2003.
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