Não informado. (2001). Business and economic history. University of Illinois, Bureau of Economic and Business Research.
Chicago-Zitierstil (17. Ausg.)Não informado. Business and Economic History. Urbana, Ill: University of Illinois, Bureau of Economic and Business Research, 2001.
MLA-Zitierstil (8. Ausg.)Não informado. Business and Economic History. University of Illinois, Bureau of Economic and Business Research, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.