Philippines. Government Service Insurance System. (1997). GSIS Act of 1997 (RA 8291): Implementing rules and regulations. GSIS.
Chicago Style (17th ed.) CitationPhilippines. Government Service Insurance System. GSIS Act of 1997 (RA 8291): Implementing Rules and Regulations. [Quezon City]: GSIS, 1997.
MLA (9th ed.) CitationPhilippines. Government Service Insurance System. GSIS Act of 1997 (RA 8291): Implementing Rules and Regulations. GSIS, 1997.
Warning: These citations may not always be 100% accurate.