Friedrich, C. J. (1963). The philosophy of law in historical perspective (2nd ed.). Chicago: University of Chicago Press.
Παραπομπή Chicago StyleFriedrich, Carl Joachim. The Philosophy of Law in Historical Perspective. 2nd ed. Chicago: University of Chicago Press, 1963.
Παραπομπή MLAFriedrich, Carl Joachim. The Philosophy of Law in Historical Perspective. 2nd ed. Chicago: University of Chicago Press, 1963.
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