APA (7 वां संस्करण) प्रशस्ति पत्र

Mercado, J. L. (1998). RP is top killing field for birds and mammals says IUCN Red List. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Mercado, Juan L. "RP Is Top Killing Field for Birds and Mammals Says IUCN Red List." Philippine Star 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Mercado, Juan L. "RP Is Top Killing Field for Birds and Mammals Says IUCN Red List." Philippine Star, 1998.