Einzig, P. (1948). Primitive money in its ethnological, historical and economic aspects. London: Eyre & Spottiswoode.
Dyfyniad Arddull ChicagoEinzig, Paul. Primitive Money in Its Ethnological, Historical and Economic Aspects. London: Eyre & Spottiswoode, 1948.
Dyfyniad MLAEinzig, Paul. Primitive Money in Its Ethnological, Historical and Economic Aspects. London: Eyre & Spottiswoode, 1948.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.