Balabo, D. (2012). Bulacan dam operators cautioned on releasing water. Philippine Star.
Chicago-viite (17. p.)Balabo, Dino. "Bulacan Dam Operators Cautioned on Releasing Water." Philippine Star 2012.
MLA-viite (9. p.)Balabo, Dino. "Bulacan Dam Operators Cautioned on Releasing Water." Philippine Star, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.