Não informado. (1959). Statistical indicators of short term economic changes in ECE countries. United Nations, Economic Commission for Europe.
Lua i Stíl Chicago (17ú heag.)Não informado. Statistical Indicators of Short Term Economic Changes in ECE Countries. Geneva, Suíça: United Nations, Economic Commission for Europe, 1959.
Lua MLA (8ú heag.)Não informado. Statistical Indicators of Short Term Economic Changes in ECE Countries. United Nations, Economic Commission for Europe, 1959.
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