APA (7 वां संस्करण) प्रशस्ति पत्र

(2004). A more senior citizen-friendly society. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"A More Senior Citizen-friendly Society." Philippine Daily Inquirer 2004.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"A More Senior Citizen-friendly Society." Philippine Daily Inquirer, 2004.