Lindenfeld, D. F. (1997). The practical imagination: The German sciences of state in the nineteenth century. Chicago: University of Chicago Press.
Παραπομπή Chicago StyleLindenfeld, David F. The Practical Imagination: The German Sciences of State in the Nineteenth Century. Chicago: University of Chicago Press, 1997.
Παραπομπή MLALindenfeld, David F. The Practical Imagination: The German Sciences of State in the Nineteenth Century. Chicago: University of Chicago Press, 1997.
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