Não informado. (1959). Statistical indicators of short term economic changes in ECE countries. United Nations, Economic Commission for Europe.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Statistical Indicators of Short Term Economic Changes in ECE Countries. Geneva, Suíça: United Nations, Economic Commission for Europe, 1959.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Statistical Indicators of Short Term Economic Changes in ECE Countries. United Nations, Economic Commission for Europe, 1959.
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