APA (7 वां संस्करण) प्रशस्ति पत्र

(2002). 78-year-old's advice: Your mind should be quick in figuring out how to earn. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"78-year-old's Advice: Your Mind Should Be Quick in Figuring Out How to Earn." Philippine Daily Inquirer 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"78-year-old's Advice: Your Mind Should Be Quick in Figuring Out How to Earn." Philippine Daily Inquirer, 2002.