Serrano, B. L. (2002). Threat of tribal war aired over massacre in Agusan. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Serrano, Ben L. "Threat of Tribal War Aired over Massacre in Agusan." Philippine Star 2002.
Lua MLA (9ú heag.)Serrano, Ben L. "Threat of Tribal War Aired over Massacre in Agusan." Philippine Star, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.