Einzig, P. (1966). Primitive money in its ethonological, historical and economic aspects. Pergamon Press.
Chicago-referens (17:e uppl.)Einzig, Paul. Primitive Money in Its Ethonological, Historical and Economic Aspects. Oxford: Pergamon Press, 1966.
MLA-referens (9:e uppl.)Einzig, Paul. Primitive Money in Its Ethonological, Historical and Economic Aspects. Pergamon Press, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.