United Nations. Economic Commissions for Europe. (1947). Annual report. s.n.].
Chicago-referens (17:e uppl.)United Nations. Economic Commissions for Europe. Annual Report. [Lake Success: s.n.], 1947.
MLA-referens (9:e uppl.)United Nations. Economic Commissions for Europe. Annual Report. s.n.], 1947.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.