Gonzales, I. C. (2010). GSIS to review all its policies. Philippine Star.
Chicago Style aipamenaGonzales, Iris Cecilia. "GSIS to Review All Its Policies." Philippine Star 2010.
MLA aipamenaGonzales, Iris Cecilia. "GSIS to Review All Its Policies." Philippine Star, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.