APA (7th ed.) Zitazioa
Feldman, S. M. (2008). Free expression and democracy in America: A history. University of Chicago Press.
Chicago Style (17th ed.) Zitazioa
Feldman, Stephen M. Free Expression and Democracy in America: A History. Chicago: University of Chicago Press, 2008.
MLA (9th ed.) Zitazioa
Feldman, Stephen M. Free Expression and Democracy in America: A History. University of Chicago Press, 2008.
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