Philippine Lawyers' Association, Philippines (Republic), & Macapagal, D. (1958). Constitution Day, 23d anniversary, February 8, 1958. s.n.
Citazione stile Chigago Style (17a edizione)Philippine Lawyers' Association, Philippines (Republic), e Diosdado Macapagal. Constitution Day, 23d Anniversary, February 8, 1958. [Manila: s.n, 1958.
Citatione MLA (9a ed.)Philippine Lawyers' Association, et al. Constitution Day, 23d Anniversary, February 8, 1958. s.n, 1958.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.