Wissing. Hopeless but Optimistic. Indiana University Press.
芝加哥风格引文Wissing. Hopeless but Optimistic. Indiana University Press.
MLA引文Wissing. Hopeless but Optimistic. Indiana University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Wissing. Hopeless but Optimistic. Indiana University Press.
芝加哥风格引文Wissing. Hopeless but Optimistic. Indiana University Press.
MLA引文Wissing. Hopeless but Optimistic. Indiana University Press.