Ruiz, E. (2010). Mapping exercise to protect coral reefs. Manila Bulletin.
Cita Chicago (17th ed.)Ruiz, Ellalyn. "Mapping Exercise to Protect Coral Reefs." Manila Bulletin 2010.
Cita MLA (9th ed.)Ruiz, Ellalyn. "Mapping Exercise to Protect Coral Reefs." Manila Bulletin, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.