Cita APA (7th ed.)

Calleja, D. O. (2000). Epidemya, mudflow: Mayon, may 2 panganib. Kabayan.

Cita Chicago (17th ed.)

Calleja, Danny O. "Epidemya, Mudflow: Mayon, May 2 Panganib." Kabayan 2000.

Cita MLA (9th ed.)

Calleja, Danny O. "Epidemya, Mudflow: Mayon, May 2 Panganib." Kabayan, 2000.