Berelson, B., & Janowitz, M. (1953). Reader in public opinion and communication (2a. ed.). The Free Press of Glencoe.

Berelson, Bernard, and Morris Janowitz. Reader in Public Opinion and Communication. 2a. ed. Nueva York: The Free Press of Glencoe, 1953.

Berelson, Bernard, and Morris Janowitz. Reader in Public Opinion and Communication. 2a. ed. The Free Press of Glencoe, 1953.