Friedrich, C. J. (1950). Constitutional government and democracy: Theory and practice in Europe and America (Revised edition.). Blaisdell Publishing Company.
Cita Chicago Style (17a ed.)Friedrich, Carl J. Constitutional Government and Democracy: Theory and Practice in Europe and America. Revised edition. New York: Blaisdell Publishing Company, 1950.
Cita MLA (9a ed.)Friedrich, Carl J. Constitutional Government and Democracy: Theory and Practice in Europe and America. Revised edition. Blaisdell Publishing Company, 1950.
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