Macairan, E., & Simeon, L. M. 49 Siargao firms found violating DENR laws. The Philippine Star.
Chicago Style aipamenaMacairan, Evelyn, and Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star .
MLA aipamenaMacairan, Evelyn, and Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star, .
Kontuz: berrikusi erreferentzia hauek erabili aurretik.