National Conference on Filipino Family Life (1st : 1957 : Manila). (1957). Working papers. s.n.
Citazione stile Chigago Style (17a edizione)National Conference on Filipino Family Life (1st : 1957 : Manila). Working Papers. [Manila: s.n, 1957.
Citatione MLA (9a ed.)National Conference on Filipino Family Life (1st : 1957 : Manila). Working Papers. s.n, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.