Citazione Stile APA (7a Edizione)

(1997). Primer on the GSIS Act of 1997 (RA 8291). Government Service Insurance System.

Citazione stile Chigago Style (17a edizione)

Primer on the GSIS Act of 1997 (RA 8291). [Metro Manila]: Government Service Insurance System, 1997.

Citatione MLA (9a ed.)

Primer on the GSIS Act of 1997 (RA 8291). Government Service Insurance System, 1997.