Government Service Insurance System. (2007). GSIS Museo ng Sining collection. Government Service Insurance System.
芝加哥风格引文Government Service Insurance System. GSIS Museo Ng Sining Collection. Pasay City: Government Service Insurance System, 2007.
MLA引文Government Service Insurance System. GSIS Museo Ng Sining Collection. Government Service Insurance System, 2007.
警告：这些引文格式不一定是100％准确.