References
^ Sidney Fine (1979). Sit-Down: The General Motors Strike of 1936-1937, University of Michigan Press. Product. ISBN 9780472329489 (revised May 2012)^ Sidney Fine (1979). Sit-Down: The General Motors Strike of 1936-1937, University of Michigan Press. Wiki. ISBN 9780472329489 (revised May 2012)^ Sidney FineSit-Down: The General Motors Strike of 1936-1937, University of Michigan Press/Regional. Amazon. ISBN 9780472329489 (revised Nov 2014)
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