Offemaria, R. (1997). Red tide harms sustainable development of marine ecosystems. Manila Chronicle.
Chicago Style (17. basım) AtıfOffemaria, Rodel. "Red Tide Harms Sustainable Development of Marine Ecosystems." Manila Chronicle 1997.
MLA (9th ed.) AtıfOffemaria, Rodel. "Red Tide Harms Sustainable Development of Marine Ecosystems." Manila Chronicle, 1997.
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