Marfil, M. (1999). Estrada to push Cha-cha even if ratings fall to zero. Philippine Daily Inquirer.
Chicago-čujuhus (17. p.)Marfil, Martin. "Estrada to Push Cha-cha even if Ratings Fall to Zero." Philippine Daily Inquirer 1999.
MLA-čujuhus (9. p.)Marfil, Martin. "Estrada to Push Cha-cha even if Ratings Fall to Zero." Philippine Daily Inquirer, 1999.
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