APA (7 वां संस्करण) प्रशस्ति पत्र

Espino, M. Q. (2008). Are Aussie mining firms still interested in RP? Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Espino, Margie Quimpo. "Are Aussie Mining Firms Still Interested in RP?" Philippine Daily Inquirer 2008.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Espino, Margie Quimpo. "Are Aussie Mining Firms Still Interested in RP?" Philippine Daily Inquirer, 2008.