APA (7 वां संस्करण) प्रशस्ति पत्र

(2002). a engineer's lifetime affair with water. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"A Engineer's Lifetime Affair with Water." Philippine Daily Inquirer 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"A Engineer's Lifetime Affair with Water." Philippine Daily Inquirer, 2002.