Crisostomo, S. (2001). US panel pushing for full open skies pact with RP. Philippine Star.
Tohutoru Kātū Chicago (17th ed.)Crisostomo, Sheila. "US Panel Pushing for Full Open Skies Pact with RP." Philippine Star 2001.
Tohutoro MLA (9th ed.)Crisostomo, Sheila. "US Panel Pushing for Full Open Skies Pact with RP." Philippine Star, 2001.
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