APA (7 वां संस्करण) प्रशस्ति पत्र

Crisostomo, S. (2001). US panel pushing for full open skies pact with RP. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Crisostomo, Sheila. "US Panel Pushing for Full Open Skies Pact with RP." Philippine Star 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Crisostomo, Sheila. "US Panel Pushing for Full Open Skies Pact with RP." Philippine Star, 2001.