Cita APA

Government Service Insurance System (GSIS). (2011). GSIS art competition: 2011. [Government Service Insurance System].

Citación estilo Chicago

Government Service Insurance System (GSIS). GSIS Art Competition: 2011. [Pasay City]: [Government Service Insurance System], 2011.

Cita MLA

Government Service Insurance System (GSIS). GSIS Art Competition: 2011. [Government Service Insurance System], 2011.

Warning: These citations may not always be 100% accurate.