Herrera, C. (1999). Who's who among rival rights claimants. Philippine Daily Inquirer.
Chicago-viite (17. p.)Herrera, Christine. "Who's Who Among Rival Rights Claimants." Philippine Daily Inquirer 1999.
MLA-viite (9. p.)Herrera, Christine. "Who's Who Among Rival Rights Claimants." Philippine Daily Inquirer, 1999.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.