APA (7 वां संस्करण) प्रशस्ति पत्र

Guingona, T. J. (2002). Safeguards on absentee voting. IN Commentary [column]. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Guingona, Teofisto Jr. "Safeguards on Absentee Voting. IN Commentary [column]." Philippine Daily Inquirer 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Guingona, Teofisto Jr. "Safeguards on Absentee Voting. IN Commentary [column]." Philippine Daily Inquirer, 2002.