Tuazon, B. P. (2001). Estrada calls for protest vote. Manila Bulletin.
Cita Chicago (17th ed.)Tuazon, Brenda P. "Estrada Calls for Protest Vote." Manila Bulletin 2001.
Cita MLA (9th ed.)Tuazon, Brenda P. "Estrada Calls for Protest Vote." Manila Bulletin, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.