Não informado. (1956). Economic Bulletin for Latin America. United Nations, Economic Commisssion for Latin America.
Lua i Stíl Chicago (17ú heag.)Não informado. Economic Bulletin for Latin America. New York: United Nations, Economic Commisssion for Latin America, 1956.
Lua MLA (8ú heag.)Não informado. Economic Bulletin for Latin America. United Nations, Economic Commisssion for Latin America, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.