Karson, M. (1958). American labor unions and politics, 1900-1918. Southern Illinois University Press.
Cita Chicago (17th ed.)Karson, Marc. American Labor Unions and Politics, 1900-1918. Carbondale: Southern Illinois University Press, 1958.
Cita MLA (8th ed.)Karson, Marc. American Labor Unions and Politics, 1900-1918. Southern Illinois University Press, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.