APA (7th ed.) Citation

Philippines (Republic). Government Service Insurance System. (1970). Basic reference manual. [s.n.].

Chicago Style (17th ed.) Citation

Philippines (Republic). Government Service Insurance System. Basic Reference Manual. Manila: [s.n.], 1970.

MLA (9th ed.) Citation

Philippines (Republic). Government Service Insurance System. Basic Reference Manual. [s.n.], 1970.

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