University of the Philippines (Diliman). Science Education Center. (1972). Literature of the sciences: A bibliography. s.n.].
Citazione stile Chigago Style (17a edizione)University of the Philippines (Diliman). Science Education Center. Literature of the Sciences: A Bibliography. [Quezon City: s.n.], 1972.
Citatione MLA (9a ed.)University of the Philippines (Diliman). Science Education Center. Literature of the Sciences: A Bibliography. s.n.], 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.