Philippines (Republic). Government Service Insurance System. (1968). Basic laws of the Government Service Insurance System. [s.n.].
Chicago Style (17th ed.) CitationPhilippines (Republic). Government Service Insurance System. Basic Laws of the Government Service Insurance System. Manila: [s.n.], 1968.
MLA (9th ed.) CitationPhilippines (Republic). Government Service Insurance System. Basic Laws of the Government Service Insurance System. [s.n.], 1968.
Warning: These citations may not always be 100% accurate.