APA
Knight F. H., . (2006). Risk, Uncertainty and Profit. : Courier Corporation.
Chicago
Knight Frank H, . 2006. Risk, Uncertainty and Profit. : Courier Corporation.
Harvard
Knight F. H., . (2006). Risk, Uncertainty and Profit. : Courier Corporation.
MLA
Knight Frank H, . Risk, Uncertainty and Profit. : Courier Corporation. 2006.