Crisostomo, S. (2001). US panel pushing for full open skies pact with RP. Philippine Star.
Chicago-čujuhus (17. p.)Crisostomo, Sheila. "US Panel Pushing for Full Open Skies Pact with RP." Philippine Star 2001.
MLA-čujuhus (9. p.)Crisostomo, Sheila. "US Panel Pushing for Full Open Skies Pact with RP." Philippine Star, 2001.
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