Cita APA (7a ed.)

Chanco, B. (2001). Telecoms clearning house not needed. IN Demand and supply [column]. Philippine Star.

Cita Chicago Style (17a ed.)

Chanco, Boo. "Telecoms Clearning House Not Needed. IN Demand and Supply [column]." Philippine Star 2001.

Cita MLA (9a ed.)

Chanco, Boo. "Telecoms Clearning House Not Needed. IN Demand and Supply [column]." Philippine Star, 2001.