APA (7 वां संस्करण) प्रशस्ति पत्र

Aning, J. (2003). Powell: Ople was a pivotal figure in RP history. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Aning, Jerome. "Powell: Ople Was a Pivotal Figure in RP History." Philippine Daily Inquirer 2003.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Aning, Jerome. "Powell: Ople Was a Pivotal Figure in RP History." Philippine Daily Inquirer, 2003.