APA
United N. E. C. f. E., United N. E. C. f. E., . (1993). Statistics of world trade insteel. New York: U.N.
Chicago
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . 1993. Statistics of world trade insteel. New York: U.N.
Harvard
United N. E. C. f. E., United N. E. C. f. E., . (1993). Statistics of world trade insteel. New York: U.N.
MLA
United Nations Economic Commission for Europe, United Nations Economic Commission for Europe, . Statistics of world trade insteel. New York: U.N. 1993.
