Clayson. Freedom Is Not Enough. University of Texas Press.
芝加哥风格引文Clayson. Freedom Is Not Enough. University of Texas Press.
MLA引文Clayson. Freedom Is Not Enough. University of Texas Press.
警告：这些引文格式不一定是100％准确.
APA引文
Clayson. Freedom Is Not Enough. University of Texas Press.
芝加哥风格引文Clayson. Freedom Is Not Enough. University of Texas Press.
MLA引文Clayson. Freedom Is Not Enough. University of Texas Press.