(1997). An act amending Presidential Decree no. 1146, as amended, expanding and increasing the coverage and benefits of the Government Service Insurance System. Manila Bulletin.
Chicago Style (17. basım) Atıf"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System." Manila Bulletin 1997.
MLA (9th ed.) Atıf"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System." Manila Bulletin, 1997.
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