Einzig, Paul, 1897-1973
Primitive money in its ethnological, historical and economic aspects
Eyre & Spottiswood, 1949
 Buku Teks
Marris, Robin
The Economic theory of managerial capitalism
Free Press of Glencoe, 1964
 Buku Teks
Nash, Manning
Primitive and peasant economic systems / Manning Nash
Chandler Publishing Company, 1966
 Buku Teks
Tripp, Charles
Islam and the moral economic : the challenge of capitalism
Cambridge University Press, 2006
 Buku Teks
Hoselitz, Bert F.
Sociological aspects of economics growth
Free Press of Glencoe, 1960
 Buku Teks