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Lua i Stíl Chicago (17ú heag.)Esplanada, Jerry E., agus Cathy Cañares. "PEA Exec: Ramos Behind Amari Deal." Philippine Daily Inquirer 1998.
Lua MLA (9ú heag.)Esplanada, Jerry E., agus Cathy Cañares. "PEA Exec: Ramos Behind Amari Deal." Philippine Daily Inquirer, 1998.
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