Hänvisningar gällande denna post
APA-referensUnited Nations. (1969). Principal factors affecting labour productivity trends in the iron and steel industry. United Nations.
Chicago-stil citatUnited Nations. Principal Factors Affecting Labour Productivity Trends in the Iron and Steel Industry. New York: United Nations, 1969.
MLA-referensUnited Nations. Principal Factors Affecting Labour Productivity Trends in the Iron and Steel Industry. United Nations, 1969.
Harvard-stil citatUnited Nations. 1969. Principal factors affecting labour productivity trends in the iron and steel industry. New York: United Nations.
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