Government Service Insurance System. (1997). Primer on the GSIS Act of 1997 (RA 8291). Government Service Insurance System.
Style de citation Chicago (17e éd.)Government Service Insurance System. Primer on the GSIS Act of 1997 (RA 8291). [Metro Manila]: Government Service Insurance System, 1997.
Style de citation MLA (9e éd.)Government Service Insurance System. Primer on the GSIS Act of 1997 (RA 8291). Government Service Insurance System, 1997.
Attention : ces citations peuvent ne pas être correctes à 100%.