Lua APA (7ú heag.)

Doyo, M. C. P. (1999). Aquino, Ramos, Sin speak out vs Estrada. Philippine Daily Inquirer.

Lua i Stíl Chicago (17ú heag.)

Doyo, Ma. Ceres P. "Aquino, Ramos, Sin Speak Out Vs Estrada." Philippine Daily Inquirer 1999.

Lua MLA (9ú heag.)

Doyo, Ma. Ceres P. "Aquino, Ramos, Sin Speak Out Vs Estrada." Philippine Daily Inquirer, 1999.

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