Patterson, G. J. (1939). Free speech and a free press. Little Brown and company.
Cita Chicago (17th ed.)Patterson, Giles Jared. Free Speech and a Free Press. Boston,: Little Brown and company, 1939.
Cita MLA (8th ed.)Patterson, Giles Jared. Free Speech and a Free Press. Little Brown and company, 1939.
Atenció: Aquestes cites poden no estar 100% correctes.