APA
United Nations. Economic Commission for Europe (Geneva), . (1976). Long-term prospects and policies in the construction sector. New York: United Nations.
Chicago
United Nations. Economic Commission for Europe (Geneva), . 1976. Long-term prospects and policies in the construction sector. New York: United Nations.
Harvard
United Nations. Economic Commission for Europe (Geneva), . (1976). Long-term prospects and policies in the construction sector. New York: United Nations.
MLA
United Nations. Economic Commission for Europe (Geneva), . Long-term prospects and policies in the construction sector. New York: United Nations. 1976.