Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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