Cita APA (7th ed.)

Philippines (Republic). Government Service Insurance System. (1951). Revised prospectus and basic rules. Bureau of Print.

Cita Chicago (17th ed.)

Philippines (Republic). Government Service Insurance System. Revised Prospectus and Basic Rules. Manila: Bureau of Print, 1951.

Cita MLA (9th ed.)

Philippines (Republic). Government Service Insurance System. Revised Prospectus and Basic Rules. Bureau of Print, 1951.