Alano, R. (2001). Mayon lahar covers Maharlika highway / Ed de Leon. Manila Bulletin.
Lua i Stíl Chicago (17ú heag.)Alano, Rolly. "Mayon Lahar Covers Maharlika Highway / Ed De Leon." Manila Bulletin 2001.
Lua MLA (9ú heag.)Alano, Rolly. "Mayon Lahar Covers Maharlika Highway / Ed De Leon." Manila Bulletin, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.