Alano, R. (2001). Mayon lahar covers Maharlika highway / Ed de Leon. Manila Bulletin.
Cita Chicago (17th ed.)Alano, Rolly. "Mayon Lahar Covers Maharlika Highway / Ed De Leon." Manila Bulletin 2001.
Cita MLA (9th ed.)Alano, Rolly. "Mayon Lahar Covers Maharlika Highway / Ed De Leon." Manila Bulletin, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.