APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.