Não informado. (1959). Statistical indicators of short term economic changes in ECE countries. United Nations, Economic Commission for Europe.
Chicago-referens (17:e uppl.)Não informado. Statistical Indicators of Short Term Economic Changes in ECE Countries. Geneva, Suíça: United Nations, Economic Commission for Europe, 1959.
MLA-referens (8:e uppl.)Não informado. Statistical Indicators of Short Term Economic Changes in ECE Countries. United Nations, Economic Commission for Europe, 1959.
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