Flores, W. Y. L. (2001). The 2001 list: 10 most powerful tycoons in the Philippines. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Flores, Wilson Y. Lee. "The 2001 List: 10 Most Powerful Tycoons in the Philippines." Philippine Star 2001.
Lua MLA (9ú heag.)Flores, Wilson Y. Lee. "The 2001 List: 10 Most Powerful Tycoons in the Philippines." Philippine Star, 2001.
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