APA (7th ed.) Citation

Economic Commission for Europe. (1969). Principal factors affecting labour productivity trends in the iron and steel industry. United Nations.

Chicago Style (17th ed.) Citation

Economic Commission for Europe. Principal Factors Affecting Labour Productivity Trends in the Iron and Steel Industry. New York: United Nations, 1969.

MLA (8th ed.) Citation

Economic Commission for Europe. Principal Factors Affecting Labour Productivity Trends in the Iron and Steel Industry. United Nations, 1969.