Ugalde, M. (2001). Cityhood claim backed by doctored economic profile. Manila Times.
Chicago Style aipamenaUgalde, Manny. "Cityhood Claim Backed by Doctored Economic Profile." Manila Times 2001.
MLA aipamenaUgalde, Manny. "Cityhood Claim Backed by Doctored Economic Profile." Manila Times, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.