APA (7 वां संस्करण) प्रशस्ति पत्र

Pasayo, S. S. (2001). GSIS reinsurance monopoly: World's top brokers linked to overprice. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Pasayo, Sheila Samonte. "GSIS Reinsurance Monopoly: World's Top Brokers Linked to Overprice." Philippine Star 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Pasayo, Sheila Samonte. "GSIS Reinsurance Monopoly: World's Top Brokers Linked to Overprice." Philippine Star, 2001.