APA
United Naitons Economic Commission for Europe, United Naitons Economic Commission for Europe, . (1992). Steel product quality and maximum utilization of scrap. New York: United Nations USA.
Chicago
United Naitons Economic Commission for Europe, United Naitons Economic Commission for Europe, . 1992. Steel product quality and maximum utilization of scrap. New York: United Nations USA.
Harvard
United Naitons Economic Commission for Europe, United Naitons Economic Commission for Europe, . (1992). Steel product quality and maximum utilization of scrap. New York: United Nations USA.
MLA
United Naitons Economic Commission for Europe, United Naitons Economic Commission for Europe, . Steel product quality and maximum utilization of scrap. New York: United Nations USA. 1992.