Javellana, J. L. (1999). Estrada, Ople, Villar to sign covenant Congress won't push political changes. Philippine Daily Inquirer.
Citace podle Chicago (17th ed.)Javellana, Juliet Labog. "Estrada, Ople, Villar to Sign Covenant Congress Won't Push Political Changes." Philippine Daily Inquirer 1999.
Citace podle MLA (9th ed.)Javellana, Juliet Labog. "Estrada, Ople, Villar to Sign Covenant Congress Won't Push Political Changes." Philippine Daily Inquirer, 1999.
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