Balana, C. D. (1997). PPPF: People power proof out in 60 days. Philippine Daily Inquirer.
Chicago-viite (17. p.)Balana, Cynthia D. "PPPF: People Power Proof Out in 60 Days." Philippine Daily Inquirer 1997.
MLA-viite (9. p.)Balana, Cynthia D. "PPPF: People Power Proof Out in 60 Days." Philippine Daily Inquirer, 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.