APA (7 वां संस्करण) प्रशस्ति पत्र

U.P. Planning and Development Research Foundation, Inc. Social assessment for Basilan and Sulu. UP PLANADES, 2002.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

U.P. Planning and Development Research Foundation, Inc. Social Assessment for Basilan and Sulu. Quezon City: UP PLANADES, 2002.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

U.P. Planning and Development Research Foundation, Inc. Social Assessment for Basilan and Sulu. UP PLANADES, 2002.