APA (7 वां संस्करण) प्रशस्ति पत्र

Diaz, J. (2005). Small oil firms now part of oil cartel - lawmaker. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Diaz, Jess. "Small Oil Firms Now Part of Oil Cartel - Lawmaker." Philippine Star 2005.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Diaz, Jess. "Small Oil Firms Now Part of Oil Cartel - Lawmaker." Philippine Star, 2005.