Richardson, J. H. (1929). Business forecasting in the United States: Recent developments by individual companies. International Labour Organization.
Chicago-Zitierstil (17. Ausg.)Richardson, J. Henry. Business Forecasting in the United States: Recent Developments by Individual Companies. International Labour Organization, 1929.
MLA-Zitierstil (9. Ausg.)Richardson, J. Henry. Business Forecasting in the United States: Recent Developments by Individual Companies. International Labour Organization, 1929.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.