APA (7 वां संस्करण) प्रशस्ति पत्र

Dumlao, T. A. (2012). Top exec sets his heart in Shell Foundation. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Dumlao, Tina Arceo. "Top Exec Sets His Heart in Shell Foundation." Philippine Daily Inquirer 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Dumlao, Tina Arceo. "Top Exec Sets His Heart in Shell Foundation." Philippine Daily Inquirer, 2012.