Grounds of Engagement. University of Illinois Press.
芝加哥风格引文Grounds of Engagement. University of Illinois Press.
MLA引文Grounds of Engagement. University of Illinois Press.
警告：这些引文格式不一定是100％准确.
APA引文
Grounds of Engagement. University of Illinois Press.
芝加哥风格引文Grounds of Engagement. University of Illinois Press.
MLA引文Grounds of Engagement. University of Illinois Press.