APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.