Perayco, S. S. (2001). GSIS reinsurance monopoly: World's top brokers to overprice. Philippine Star.
芝加哥风格引文Perayco, Sheila Samonte. "GSIS Reinsurance Monopoly: World's Top Brokers to Overprice." Philippine Star 2001.
MLA引文Perayco, Sheila Samonte. "GSIS Reinsurance Monopoly: World's Top Brokers to Overprice." Philippine Star, 2001.
警告：这些引文格式不一定是100％准确.