APA (7th ed.) Citation

Fernan, M. B. (1989). Chellenges to '87 charter. Manila Bulletin.

Chicago Style (17th ed.) Citation

Fernan, Marcelo B. "Chellenges to '87 Charter." Manila Bulletin 1989.

MLA (9th ed.) Citation

Fernan, Marcelo B. "Chellenges to '87 Charter." Manila Bulletin, 1989.

Warning: These citations may not always be 100% accurate.