APA (7 वां संस्करण) प्रशस्ति पत्र

Mercado, J. L. (2012). Geography of the heart. IN Viewpoint [column]. Philippine Daily Inquirer.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Mercado, Juan L. "Geography of the Heart. IN Viewpoint [column]." Philippine Daily Inquirer 2012.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Mercado, Juan L. "Geography of the Heart. IN Viewpoint [column]." Philippine Daily Inquirer, 2012.