(2001). GSIS gains P9.84B in investment income. Philippine Star.
Cita Chicago (17th ed.)"GSIS Gains P9.84B in Investment Income." Philippine Star 2001.
Cita MLA (9th ed.)"GSIS Gains P9.84B in Investment Income." Philippine Star, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.