APA引文

Knight, F. H. (1971). Risk, uncertainty and profit. Chicago: University of Chicago Press.

Trích dẫn kiểu Chicago

Knight, Frank H. Risk, Uncertainty and Profit. Chicago: University of Chicago Press, 1971.

MLA引文

Knight, Frank H. Risk, Uncertainty and Profit. Chicago: University of Chicago Press, 1971.

警告:这些引文格式不一定是100%准确.