APA (7th ed.) Citation

Philippines(Republic) Government Service Insurance System. (1963). Handbook of information. GSIS.

Chicago Style (17th ed.) Citation

Philippines(Republic) Government Service Insurance System. Handbook of Information. Manila: GSIS, 1963.

MLA (9th ed.) Citation

Philippines(Republic) Government Service Insurance System. Handbook of Information. GSIS, 1963.

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