FRIEDERICH, C. J. (1968). Constitutional government and democracy: Theory and practice in Europe and America (4th ed.). Oxford and IBH. publisher.
Citace podle Chicago (17th ed.)FRIEDERICH, Carl J. Constitutional Government and Democracy: Theory and Practice in Europe and America. 4th ed. Calcutta: Oxford and IBH. publisher, 1968.
Citace podle MLA (9th ed.)FRIEDERICH, Carl J. Constitutional Government and Democracy: Theory and Practice in Europe and America. 4th ed. Oxford and IBH. publisher, 1968.
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