Tarde, G. (1969). On communication and social influence. The University of Chicago.
Cita Chicago (17th ed.)Tarde, Gabriel. On Communication and Social Influence. Chicago: The University of Chicago, 1969.
Cita MLA (9th ed.)Tarde, Gabriel. On Communication and Social Influence. The University of Chicago, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.