APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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