APA
United Naitons Economic Commission for Europe steel Engineering and Housing Section, United Naitons Economic Commission for Europe steel Engineering and Housing Section, . (1957). Railways and steel. Geneva: United Nations.
Chicago
United Naitons Economic Commission for Europe steel Engineering and Housing Section, United Naitons Economic Commission for Europe steel Engineering and Housing Section, . 1957. Railways and steel. Geneva: United Nations.
Harvard
United Naitons Economic Commission for Europe steel Engineering and Housing Section, United Naitons Economic Commission for Europe steel Engineering and Housing Section, . (1957). Railways and steel. Geneva: United Nations.
MLA
United Naitons Economic Commission for Europe steel Engineering and Housing Section, United Naitons Economic Commission for Europe steel Engineering and Housing Section, . Railways and steel. Geneva: United Nations. 1957.