(1997). Implementing rules and regulations of the Government Service Insurance System Act of 1997. Philippine Daily Inquirer.
Chicago Style (17. basım) Atıf"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Daily Inquirer 1997.
MLA (9th ed.) Atıf"Implementing Rules and Regulations of the Government Service Insurance System Act of 1997." Philippine Daily Inquirer, 1997.
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