Punongbayan, M., Dematera, C., & Cabrera, R. (2022). Bulusan steaming continues; 69 quakes recorded. Philippine Star.
Chicago-viite (17. p.)Punongbayan, Michael, Cet Dematera, ja Romina Cabrera. "Bulusan Steaming Continues; 69 Quakes Recorded." Philippine Star 2022.
MLA-viite (9. p.)Punongbayan, Michael, et al. "Bulusan Steaming Continues; 69 Quakes Recorded." Philippine Star, 2022.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.