Lassewell, H. D., Bachrach, P. 1., Lerner, D., Rothwell, E., Berelson, B. R. 1., & Lazarsfeld, P. F. 1. (1971). Political elites in a democracy (First edition.). New York: Atherton Press.

Lassewell, Harold D., Peter 1918-2007 Bachrach, Daniel Lerner, Easton Rothwell, Bernard Reuben 1912-1979 Berelson, and Paul Félix 1901-1976 Lazarsfeld. Political Elites in a Democracy. First edition. New York: Atherton Press, 1971.

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