Einzig, P. (1948). Primitive money in its ethnological, historical and economic aspects. London: Eyre & Spottiswoode.
استشهاد بنمط شيكاغوEinzig, Paul. Primitive Money in Its Ethnological, Historical and Economic Aspects. London: Eyre & Spottiswoode, 1948.
MLA استشهادEinzig, Paul. Primitive Money in Its Ethnological, Historical and Economic Aspects. London: Eyre & Spottiswoode, 1948.
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