Custodio, R. (2000). Declining fish output blamed on overfishing, high population. Manila Times.
Chicago Style aipamenaCustodio, Rene. "Declining Fish Output Blamed on Overfishing, High Population." Manila Times 2000.
MLA aipamenaCustodio, Rene. "Declining Fish Output Blamed on Overfishing, High Population." Manila Times, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.