Katigbak, A. F. (2005). Pension ceiling removal gives higher income to GSIS pensioners. Philippine Star.
Cita Chicago (17th ed.)Katigbak, Antonio F. "Pension Ceiling Removal Gives Higher Income to GSIS Pensioners." Philippine Star 2005.
Cita MLA (9th ed.)Katigbak, Antonio F. "Pension Ceiling Removal Gives Higher Income to GSIS Pensioners." Philippine Star, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.