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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रExpert 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रExpert 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.
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