Hanke, J. E. (2005). Business Forecasting (8th ed.). Pearson Education.
Cita Chicago (17th ed.)Hanke, John E. Business Forecasting. 8th ed. New Delhi: Pearson Education, 2005.
Cita MLA (9th ed.)Hanke, John E. Business Forecasting. 8th ed. Pearson Education, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.