United Nations. Economic Commission for Europe. The Environment in Europe and North-America: annotated statistics 1992. New York: United Nations, 1992. xvii, 366 s. Statistical standards and studies; no. 42.
United Nations Statistical Commission and Economic Commission for Europe, C. o. E. S. (1992). The Environment in Europe and North-America: Annotated statistics 1992. New York: United Nations.
Styl ChicagoUnited Nations Statistical Commission and Economic Commission for Europe, Conference of European Statisticians. The Environment in Europe and North-America: Annotated Statistics 1992. New York: United Nations, 1992.
Citace podle MLAUnited Nations Statistical Commission and Economic Commission for Europe, Conference of European Statisticians. The Environment in Europe and North-America: Annotated Statistics 1992. New York: United Nations, 1992.
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