Offemaria, R. (1997). Red tide harms sustainable development of marine ecosystems. Manila Chronicle.
Cita Chicago Style (17a ed.)Offemaria, Rodel. "Red Tide Harms Sustainable Development of Marine Ecosystems." Manila Chronicle 1997.
Cita MLA (9a ed.)Offemaria, Rodel. "Red Tide Harms Sustainable Development of Marine Ecosystems." Manila Chronicle, 1997.
Precaución: Estas citas no son 100% exactas.