Economic Development Foundation, Inc. (1964). Report. 1st-. s.n.].
Chicago Style aipamenaEconomic Development Foundation, Inc. Report. 1st-. [Manila: s.n.], 1964.
MLA aipamenaEconomic Development Foundation, Inc. Report. 1st-. s.n.], 1964.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.