Government Service Insurance System. (2007). GSIS Museo ng Sining collection. Government Service Insurance System.
Citazione stile Chigago Style (17a edizione)Government Service Insurance System. GSIS Museo Ng Sining Collection. Pasay City: Government Service Insurance System, 2007.
Citatione MLA (9a ed.)Government Service Insurance System. GSIS Museo Ng Sining Collection. Government Service Insurance System, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.