(2005). GSIS generates P1 billion savings in 2004. Philippine Star.
Chicago Style (17th ed.) Citation"GSIS Generates P1 Billion Savings in 2004." Philippine Star 2005.
MLA引文"GSIS Generates P1 Billion Savings in 2004." Philippine Star, 2005.
警告：這些引文格式不一定是100％准確.