Kloppenberg, J. T. (1986). Uncertain victory: Social democracy and progressivism in European .... Oxford University.
Lua i Stíl Chicago (17ú heag.)Kloppenberg, James T. Uncertain Victory: Social Democracy and Progressivism in European .... new York: Oxford University, 1986.
Lua MLA (9ú heag.)Kloppenberg, James T. Uncertain Victory: Social Democracy and Progressivism in European .... Oxford University, 1986.
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