Dumlao, M. D. C. (1999). Palace wants power to forge trade treaties. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Dumlao, Ma. Doris C. "Palace Wants Power to Forge Trade Treaties." Philippine Daily Inquirer 1999.
Lua MLA (9ú heag.)Dumlao, Ma. Doris C. "Palace Wants Power to Forge Trade Treaties." Philippine Daily Inquirer, 1999.
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