Parness, D. L. (1991). The SPD and the Challenge of mass politics: The dilemma of the German Volkspartei. Westview Press.
Citace podle Chicago (17th ed.)Parness, Diane L. The SPD and the Challenge of Mass Politics: The Dilemma of the German Volkspartei. Boulder, Colorado: Westview Press, 1991.
Citace podle MLA (9th ed.)Parness, Diane L. The SPD and the Challenge of Mass Politics: The Dilemma of the German Volkspartei. Westview Press, 1991.
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