National Research Council of the Philippines. Research Library & Information Division & Abarquez, R. F. (1981). NRCP directory 1981. The Council.
Citazione stile Chigago Style (17a edizione)National Research Council of the Philippines. Research Library & Information Division e Ramon F. Abarquez. NRCP Directory 1981. Bicutan, Taguig, Metro Manila: The Council, 1981.
Citatione MLA (9a ed.)National Research Council of the Philippines. Research Library & Information Division e Ramon F. Abarquez. NRCP Directory 1981. The Council, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.