Kazin, M. (1989). Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era. Chicago: University of Illinois Press.
Cita Chicago (17th ed.)Kazin, Michael. Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era. Chicago: University of Illinois Press, 1989.
Cita MLA (8th ed.)Kazin, Michael. Barons of Labor: The San Francisco Building Trades and Union Power in the Progressive Era. Chicago: University of Illinois Press, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.