APA (7 वां संस्करण) प्रशस्ति पत्र

(1999). Not only natural beauty but also history. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"Not Only Natural Beauty but Also History." Philippine Daily Inquirer 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"Not Only Natural Beauty but Also History." Philippine Daily Inquirer, 1999.