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