APA-referens (7:e uppl.)

(1997). Government Service Insurance System celebrates its 60th anniversary. IN Editorial [column]. Manila Bulletin.

Chicago-referens (17:e uppl.)

"Government Service Insurance System Celebrates Its 60th Anniversary. IN Editorial [column]." Manila Bulletin 1997.

MLA-referens (9:e uppl.)

"Government Service Insurance System Celebrates Its 60th Anniversary. IN Editorial [column]." Manila Bulletin, 1997.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.