Não informado. (1947). Economic Survey of Europe. United Nations, Department of Economic and Social Affairs.
Chicago-referens (17:e uppl.)Não informado. Economic Survey of Europe. Geneve, Suíça: United Nations, Department of Economic and Social Affairs, 1947.
MLA-referens (8:e uppl.)Não informado. Economic Survey of Europe. United Nations, Department of Economic and Social Affairs, 1947.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.