APA (7 वां संस्करण) प्रशस्ति पत्र

Gorayeb, C. (2001). Party list system open to all parties, sectors. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gorayeb, Charlie. "Party List System Open to All Parties, Sectors." Philippine Star 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gorayeb, Charlie. "Party List System Open to All Parties, Sectors." Philippine Star, 2001.