Knight, F. H. (1971). Risk, uncertainty and profit. University of Chicago.
Dyfyniad Arddull ChicagoKnight, Frank H. Risk, Uncertainty and Profit. Chicago: University of Chicago, 1971.
Dyfyniad MLAKnight, Frank H. Risk, Uncertainty and Profit. University of Chicago, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.