Echeminada, P. (2001). PPC narrows down choices for Senate president, speaker. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Echeminada, Perseus. "PPC Narrows Down Choices for Senate President, Speaker." Philippine Star 2001.
Lua MLA (9ú heag.)Echeminada, Perseus. "PPC Narrows Down Choices for Senate President, Speaker." Philippine Star, 2001.
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