Perayco, S. S. (2001). GSIS reinsurance monopoly: World's top brokers to overprice. Philippine Star.
Chicago-viite (17. p.)Perayco, Sheila Samonte. "GSIS Reinsurance Monopoly: World's Top Brokers to Overprice." Philippine Star 2001.
MLA-viite (9. p.)Perayco, Sheila Samonte. "GSIS Reinsurance Monopoly: World's Top Brokers to Overprice." Philippine Star, 2001.
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