National Research Council of the Philippines. Research Library & Information Division & Abarquez, R. F. (1981). NRCP directory 1981. The Council.
Chicago-viite (17. p.)National Research Council of the Philippines. Research Library & Information Division ja Ramon F. Abarquez. NRCP Directory 1981. Bicutan, Taguig, Metro Manila: The Council, 1981.
MLA-viite (9. p.)National Research Council of the Philippines. Research Library & Information Division ja Ramon F. Abarquez. NRCP Directory 1981. The Council, 1981.
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