Economic Commission for Europe. (1976). Long-term prospects and policies in the construction sector. New York: United Nations.
Chicago-tyylinen lähdeviittausEconomic Commission for Europe. Long-term Prospects and Policies in the Construction Sector. New York: United Nations, 1976.
MLA-viiteEconomic Commission for Europe. Long-term Prospects and Policies in the Construction Sector. New York: United Nations, 1976.
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