Kazin, M. (1989). Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era. Chicago: University of Illinois Press.
Chicago-referens (17:e uppl.)Kazin, Michael. Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era. Chicago: University of Illinois Press, 1989.
MLA-referens (8:e uppl.)Kazin, Michael. Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era. Chicago: University of Illinois Press, 1989.
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