APA (7 वां संस्करण) प्रशस्ति पत्र

Avendaño, C. O. (2003). Drilon: History shows President plays no role in Charter change. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Avendaño, Christine O. "Drilon: History Shows President Plays No Role in Charter Change." Philippine Daily Inquirer 2003.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Avendaño, Christine O. "Drilon: History Shows President Plays No Role in Charter Change." Philippine Daily Inquirer, 2003.