Cabral, E. I. (2002). Prevention is still the best cure. Manila Times.
Chicago Style aipamenaCabral, Esperanza I. "Prevention Is Still the Best Cure." Manila Times 2002.
MLA aipamenaCabral, Esperanza I. "Prevention Is Still the Best Cure." Manila Times, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.