National Research Council of the Philippines. Research Library & Information Division. (1986). NRCP directory 1985. National Research Council of the Philippines.
Čikaški stil citiranja (17. izdanje)National Research Council of the Philippines. Research Library & Information Division. NRCP Directory 1985. Taguig: National Research Council of the Philippines, 1986.
MLA način citiranja (9. izdanje)National Research Council of the Philippines. Research Library & Information Division. NRCP Directory 1985. National Research Council of the Philippines, 1986.
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