Katona George. (1963). Psychological Analysis of Economic Behavior. New York: McGrraw-Hill.
Dyfyniad Arddull ChicagoKatona George. Psychological Analysis of Economic Behavior. New York: McGrraw-Hill, 1963.
Dyfyniad MLAKatona George. Psychological Analysis of Economic Behavior. New York: McGrraw-Hill, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.