APA (7 वां संस्करण) प्रशस्ति पत्र

National Research Council of the Philippines. Research Library & Information Division & Abarquez, R. F. (1981). NRCP directory 1981. The Council.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

National Research Council of the Philippines. Research Library & Information Division और Ramon F. Abarquez. NRCP Directory 1981. Bicutan, Taguig, Metro Manila: The Council, 1981.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

National Research Council of the Philippines. Research Library & Information Division और Ramon F. Abarquez. NRCP Directory 1981. The Council, 1981.