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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.