APA
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . (1979). Structural changes in the iron and steel industry. New: York United Nations USA.
Chicago
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . 1979. Structural changes in the iron and steel industry. New: York United Nations USA.
Harvard
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . (1979). Structural changes in the iron and steel industry. New: York United Nations USA.
MLA
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . Structural changes in the iron and steel industry. New: York United Nations USA. 1979.