(2001). GSIS gains P9.84B in investment income. Philippine Star.
Chicagoスタイル(17版)引用形式"GSIS Gains P9.84B in Investment Income." Philippine Star 2001.
MLA(9版)引用形式"GSIS Gains P9.84B in Investment Income." Philippine Star, 2001.
警告: この引用は必ずしも正確ではありません.