United Nations. Economic Commission for Europe. (1974). Economic survey of Europe in 1973: The European economy in 1973. United Nations.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited Nations. Economic Commission for Europe. Economic Survey of Europe in 1973: The European Economy in 1973. United Nations, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUnited Nations. Economic Commission for Europe. Economic Survey of Europe in 1973: The European Economy in 1973. United Nations, 1974.
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