De Asis, K. (2003). Ideas need brand marketing to succeed. Philippine Daily Inquirer.
Chicago Style aipamenaDe Asis, Karen. "Ideas Need Brand Marketing to Succeed." Philippine Daily Inquirer 2003.
MLA aipamenaDe Asis, Karen. "Ideas Need Brand Marketing to Succeed." Philippine Daily Inquirer, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.