(1997). Government Service Insurance System celebrates its 60th anniversary. IN Editorial [column]. Manila Bulletin.
Dyfyniad Arddull Chicago"Government Service Insurance System Celebrates Its 60th Anniversary. IN Editorial [column]." Manila Bulletin 1997.
Dyfyniad MLA"Government Service Insurance System Celebrates Its 60th Anniversary. IN Editorial [column]." Manila Bulletin, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.