Pesayco, S. S. (2001). GSIS insurance monopoly: A newer landing scam. Philippine Star.
Chicagoスタイル(17版)引用形式Pesayco, Sheila Samonte. "GSIS Insurance Monopoly: A Newer Landing Scam." Philippine Star 2001.
MLA(9版)引用形式Pesayco, Sheila Samonte. "GSIS Insurance Monopoly: A Newer Landing Scam." Philippine Star, 2001.
警告: この引用は必ずしも正確ではありません.