Macairan, E., & Simeon, L. M. 49 Siargao firms found violating DENR laws. The Philippine Star.
Lua i Stíl Chicago (17ú heag.)Macairan, Evelyn, agus Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star .
Lua MLA (9ú heag.)Macairan, Evelyn, agus Louise Maureen Simeon. "49 Siargao Firms Found Violating DENR Laws." The Philippine Star, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.