Science Promotion Institute (Philippines). Scientific Clearinghouse and Documentation Services Division. (1983). R & D Philippines. Scientific Clearinghouse and Documentation Services Division.
Citazione stile Chigago Style (17a edizione)Science Promotion Institute (Philippines). Scientific Clearinghouse and Documentation Services Division. R & D Philippines. Tagig, Metro Manila: Scientific Clearinghouse and Documentation Services Division, 1983.
Citatione MLA (9a ed.)Science Promotion Institute (Philippines). Scientific Clearinghouse and Documentation Services Division. R & D Philippines. Scientific Clearinghouse and Documentation Services Division, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.