Atencio, J. C. (2003). Referendum sought by Cory on Cha-cha. Manila Bulletin.
Cita Chicago (17th ed.)Atencio, Joel C. "Referendum Sought by Cory on Cha-cha." Manila Bulletin 2003.
Cita MLA (9th ed.)Atencio, Joel C. "Referendum Sought by Cory on Cha-cha." Manila Bulletin, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.