Dennis, J. M. (2011). Robert Koehler's The strike: The improbable story of an iconic 1886 painting of labor protest. University of Wisconsin Press.
Chicago-viite (17. p.)Dennis, James M. Robert Koehler's The Strike: The Improbable Story of an Iconic 1886 Painting of Labor Protest. Madison, Wis.: University of Wisconsin Press, 2011.
MLA-viite (9. p.)Dennis, James M. Robert Koehler's The Strike: The Improbable Story of an Iconic 1886 Painting of Labor Protest. University of Wisconsin Press, 2011.
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