Philippines. National Science Development Board. Scientific Library and Documentation Division & Association for Science Cooperation in Asia (Philippines). (1978). Directory of research institutions in the Philippines. NSDB.
Citazione stile Chigago Style (17a edizione)Philippines. National Science Development Board. Scientific Library and Documentation Division e Association for Science Cooperation in Asia (Philippines). Directory of Research Institutions in the Philippines. [Taguig, Rizal]: NSDB, 1978.
Citatione MLA (9a ed.)Philippines. National Science Development Board. Scientific Library and Documentation Division e Association for Science Cooperation in Asia (Philippines). Directory of Research Institutions in the Philippines. NSDB, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.