(1997). GSIS assets grow to P101.27 million. Manila Chronicle.
Cita Chicago (17th ed.)"GSIS Assets Grow to P101.27 Million." Manila Chronicle 1997.
Cita MLA (9th ed.)"GSIS Assets Grow to P101.27 Million." Manila Chronicle, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.