APA (7e ed.) Bronvermelding

Ople, B. F. (1997). Why the attempt to change the charter is doomed. IN Horizons [column]. Manila Bulletin.

Chicago (17e ed.) Bronvermelding

Ople, Blas F. "Why the Attempt to Change the Charter Is Doomed. IN Horizons [column]." Manila Bulletin 1997.

MLA (9e ed.) Bronvermelding

Ople, Blas F. "Why the Attempt to Change the Charter Is Doomed. IN Horizons [column]." Manila Bulletin, 1997.