APA (7th ed.) Citation

Philippines (Republic). Government Service Insurance System. (1958). Know your GSIS. [s.n.].

Chicago Style (17th ed.) Citation

Philippines (Republic). Government Service Insurance System. Know Your GSIS. Manila: [s.n.], 1958.

MLA (9th ed.) Citation

Philippines (Republic). Government Service Insurance System. Know Your GSIS. [s.n.], 1958.

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