Philippine Normal College. Language Study Center. (1969). Philippine education abstracts. [s.n.].
Citazione stile Chigago Style (17a edizione)Philippine Normal College. Language Study Center. Philippine Education Abstracts. Manila: [s.n.], 1969.
Citatione MLA (9a ed.)Philippine Normal College. Language Study Center. Philippine Education Abstracts. [s.n.], 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.