APA (7 वां संस्करण) प्रशस्ति पत्र

(1999). RI district 3810: Celebrating 80 years of civic action in the Philippines. Philippine Star.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"RI District 3810: Celebrating 80 Years of Civic Action in the Philippines." Philippine Star 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"RI District 3810: Celebrating 80 Years of Civic Action in the Philippines." Philippine Star, 1999.