HANKE, J. E., & REISCH, A. G. (1995). Business forecasting.-- ed.5 (5.). Prentice Hall.

HANKE, John E., and Arthur G. REISCH. Business Forecasting.-- Ed.5. 5. New Jersey: Prentice Hall, 1995.

HANKE, John E., and Arthur G. REISCH. Business Forecasting.-- Ed.5. 5. Prentice Hall, 1995.