Custodio, R. (2000). Declining fish output blamed on overfishing, high population. Manila Times.
Chicago-viite (17. p.)Custodio, Rene. "Declining Fish Output Blamed on Overfishing, High Population." Manila Times 2000.
MLA-viite (9. p.)Custodio, Rene. "Declining Fish Output Blamed on Overfishing, High Population." Manila Times, 2000.
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