APA (7 वां संस्करण) प्रशस्ति पत्र

Estopace, E. E. (1997). The Sikap-Gawa Awards '97: On with quest for industrial peace. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Estopace, Eden Enano. "The Sikap-Gawa Awards '97: On with Quest for Industrial Peace." Philippine Star 1997.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Estopace, Eden Enano. "The Sikap-Gawa Awards '97: On with Quest for Industrial Peace." Philippine Star, 1997.