APA (7 वां संस्करण) प्रशस्ति पत्र

Dumlao, M. D. C. (2000). Analysts recommended 6 reform packages for local barrel. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Dumlao, Ma. Doris C. "Analysts Recommended 6 Reform Packages for Local Barrel." Philippine Daily Inquirer 2000.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Dumlao, Ma. Doris C. "Analysts Recommended 6 Reform Packages for Local Barrel." Philippine Daily Inquirer, 2000.