Ferriols, D. (2003). GSIS admits P35 B in members' contributions unaccounted for. Philippine Star.
Lua i Stíl Chicago (17ú heag.)Ferriols, Des. "GSIS Admits P35 B in Members' Contributions Unaccounted for." Philippine Star 2003.
Lua MLA (9ú heag.)Ferriols, Des. "GSIS Admits P35 B in Members' Contributions Unaccounted for." Philippine Star, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.