(1999). Frivolous. IN Editorial [column]. Philippine Daily Inquirer.
Chicago Style (17th ed.) Zitazioa"Frivolous. IN Editorial [column]." Philippine Daily Inquirer 1999.
MLA (9th ed.) Zitazioa"Frivolous. IN Editorial [column]." Philippine Daily Inquirer, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.