Philippine Council of Science & Technology. PHILCOST annual: Official publication of the Philippine Council of Science & Technology. s.n.
Citazione stile Chigago Style (17a edizione)Philippine Council of Science & Technology. PHILCOST Annual: Official Publication of the Philippine Council of Science & Technology. [Manila: s.n.
Citatione MLA (9a ed.)Philippine Council of Science & Technology. PHILCOST Annual: Official Publication of the Philippine Council of Science & Technology. s.n.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.