Hoerr, J. P. (1988). And the wolf finally came: The decline of the American steel industry. Pittsburgh: University of Pittsburgh Press.
Chicago-tyylinen lähdeviittausHoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.
MLA-viiteHoerr, John P. And the Wolf Finally Came: The Decline of the American Steel Industry. Pittsburgh: University of Pittsburgh Press, 1988.
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