Hanke, J. E. (2005). Business Forecasting. Cengage Learning.
Chicago-čujuhus (17. p.)Hanke, John E. Business Forecasting. New Delhi: Cengage Learning, 2005.
MLA-čujuhus (9. p.)Hanke, John E. Business Forecasting. Cengage Learning, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.