United States. Department of State. (1948). Economic cooperation series. [s.n.].
Chicago Style aipamenaUnited States. Department of State. Economic Cooperation Series. Washington: [s.n.], 1948.
MLA aipamenaUnited States. Department of State. Economic Cooperation Series. [s.n.], 1948.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.