The Philippine journal of science. Department of Science and Technology[n.d.].
Citazione stile Chigago Style (17a edizione)The Philippine Journal of Science. Bicutan,Manila: Department of Science and Technology[n.d.].
Citatione MLA (9a ed.)The Philippine Journal of Science. Department of Science and Technology[n.d.].
Attenzione: Queste citazioni potrebbero non essere precise al 100%.