Grayson, H. (1965). Price theory in a changing economy. Macmillan.
Dyfyniad Arddull ChicagoGrayson, Henry. Price Theory in a Changing Economy. New York: Macmillan, 1965.
Dyfyniad MLAGrayson, Henry. Price Theory in a Changing Economy. Macmillan, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.