Beer, Samuel Hutchison et al. Patterns of government: the major political systems of Europe. Second edition, revised and enlarged. New York: Random House, 1962. xvii, 780 stran.
Citace podle APABeer, S. H., & Ulam, A. B. (1962). Patterns of government: The major political systems of Europe (Second edition, revised and enlarged.). New York: Random House.
Styl ChicagoBeer, Samuel Hutchison, and Adam Bruno Ulam. Patterns of Government: The Major Political Systems of Europe. Second edition, revised and enlarged. New York: Random House, 1962.
Citace podle MLABeer, Samuel Hutchison, and Adam Bruno Ulam. Patterns of Government: The Major Political Systems of Europe. Second edition, revised and enlarged. New York: Random House, 1962.
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