Hudson, D. L. (2011). Let the students speak!: A history of the fight for free expression in American schools. Beacon Press.
Chicago-Zitierstil (17. Ausg.)Hudson, David L. Let the Students Speak!: A History of the Fight for Free Expression in American Schools. Boston, Mass: Beacon Press, 2011.
MLA-Zitierstil (9. Ausg.)Hudson, David L. Let the Students Speak!: A History of the Fight for Free Expression in American Schools. Beacon Press, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.