(2009). Government Service Insurance System 2009 annual report: A sturdy ship. Government Service Insurance System (GSIS).
Chicago-Zitierstil (17. Ausg.)Government Service Insurance System 2009 Annual Report: A Sturdy Ship. Pasay City: Government Service Insurance System (GSIS), 2009.
MLA-Zitierstil (9. Ausg.)Government Service Insurance System 2009 Annual Report: A Sturdy Ship. Government Service Insurance System (GSIS), 2009.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.