Lucas, D. L. (2003). GSIS to stop bridging gov't shortfalls to employees'. Manila Times.
Lua i Stíl Chicago (17ú heag.)Lucas, Daxim L. "GSIS to Stop Bridging Gov't Shortfalls to Employees'." Manila Times 2003.
Lua MLA (9ú heag.)Lucas, Daxim L. "GSIS to Stop Bridging Gov't Shortfalls to Employees'." Manila Times, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.