HANKE, J. E. (1989). Business Forecasting / John E. Hanke, Arthur G. Reitsch. Allyn & Bacon.
Chicago Style aipamenaHANKE, John E. Business Forecasting / John E. Hanke, Arthur G. Reitsch. Allyn & Bacon, 1989.
MLA aipamenaHANKE, John E. Business Forecasting / John E. Hanke, Arthur G. Reitsch. Allyn & Bacon, 1989.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.