Lewis, H. (1963). unionism and relative wages in the United States: An empirical inquiry. University of Chicago press.
Dyfyniad Arddull ChicagoLewis, H.G. Unionism and Relative Wages in the United States: An Empirical Inquiry. London: University of Chicago press, 1963.
Dyfyniad MLALewis, H.G. Unionism and Relative Wages in the United States: An Empirical Inquiry. University of Chicago press, 1963.
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