Michels , . R. (1968). Political parties: A sociological study of the Oligarchical tendencies of modern democracy (2nd ed.). Free Press.
Chicago-Zitierstil (17. Ausg.)Michels , Robert. Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy. 2nd ed. New York: Free Press, 1968.
MLA-Zitierstil (9. Ausg.)Michels , Robert. Political Parties: A Sociological Study of the Oligarchical Tendencies of Modern Democracy. 2nd ed. Free Press, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.