Berelson, B., & Janowitz, M. (1966). Reader in public opinion and communication (2d ed.). Free Press.

Berelson, Bernard, and Morris Janowitz. Reader in Public Opinion and Communication. 2d ed. New York: Free Press, 1966.

Berelson, Bernard, and Morris Janowitz. Reader in Public Opinion and Communication. 2d ed. Free Press, 1966.