Amo, C. (2018). Mayon Volcano spews ash; alert level 1 up. Philippine Star.
Cita Chicago (17th ed.)Amo, Celso. "Mayon Volcano Spews Ash; Alert Level 1 Up." Philippine Star 2018.
Cita MLA (9th ed.)Amo, Celso. "Mayon Volcano Spews Ash; Alert Level 1 Up." Philippine Star, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.