Duffy. Provocations of Virtue. Utah State University Press.
芝加哥风格引文Duffy. Provocations of Virtue. Utah State University Press.
MLA引文Duffy. Provocations of Virtue. Utah State University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Duffy. Provocations of Virtue. Utah State University Press.
芝加哥风格引文Duffy. Provocations of Virtue. Utah State University Press.
MLA引文Duffy. Provocations of Virtue. Utah State University Press.