Macairan, E., & Simeon, L. M. 49 Siargao firms found violating DENR laws. The Philippine Star.
Cita Chicago Style (17a ed.)Macairan, Evelyn, y Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star .
Cita MLA (9a ed.)Macairan, Evelyn, y Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star, .
Precaución: Estas citas no son 100% exactas.