Katz, E., & Lazarsfeld, P. F. (1964). Personal influence: The part played by people in the flow of mass comunications. The Free Press.
Cita Chicago Style (17a ed.)Katz, Elihu, y Paul Felix Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Comunications. New York: The Free Press, 1964.
Cita MLA (9a ed.)Katz, Elihu, y Paul Felix Lazarsfeld. Personal Influence: The Part Played by People in the Flow of Mass Comunications. The Free Press, 1964.
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