Nasol, R., & Belen, J. (1999). Mayon Volcano explodes twice. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Nasol, Rey, agus Job Belen. "Mayon Volcano Explodes Twice." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Nasol, Rey, agus Job Belen. "Mayon Volcano Explodes Twice." Philippine Daily Inquirer, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.