@misc{Sombart_Werner_(1863-1941)_Die,
 author={Sombart, Werner (1863-1941)},
 address={Leipzig},
 address={Erlangen},
 howpublished={online},
 publisher={A. Deichertsche Verlagsbuchhandlung Dr. Werner Scholl},
 language={ger},
 type={książka},
 title={Die Rationalisierung in der Wirtschaft},
}