Patterson, G. J. (1939). Free speech and a free press. Little Brown and company.
芝加哥风格引文Patterson, Giles Jared. Free Speech and a Free Press. Boston,: Little Brown and company, 1939.
MLA引文Patterson, Giles Jared. Free Speech and a Free Press. Little Brown and company, 1939.
警告：这些引文格式不一定是100％准确.