Political parties

Michels, Robert 1876-1936. Political parties: a sociological study of the oligarchical tendencies of modern democracy / Robert Michels ; translated by Eden and Cedar Paul ; introduction by Seymour Martin Lipset . - New York : Free Press, 1962 . - 379 p. 20 cm.
К.: Бібліогр. в підрядк. прим., Index
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