APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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