Expert Working Group from Asia and the Far East on Railway Operating and Signalling. (1954). Railway operating and signalling techniques in Europe, Japan and the United States of America: Report. United Nations.
Chicago-referens (17:e uppl.)Expert Working Group from Asia and the Far East on Railway Operating and Signalling. Railway Operating and Signalling Techniques in Europe, Japan and the United States of America: Report. [New York?]: United Nations, 1954.
MLA-referens (8:e uppl.)Expert Working Group from Asia and the Far East on Railway Operating and Signalling. Railway Operating and Signalling Techniques in Europe, Japan and the United States of America: Report. United Nations, 1954.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.