Cita APA (7th ed.)
Hanke, J. E., & Wichern, D. W. (2005). Business forecasting (8th ed.). Pearson/Prentice Hall.
Cita Chicago (17th ed.)
Hanke, John E., i Dean W. Wichern. Business Forecasting. 8th ed. Upper Saddle River, N.J. ; New Delhi: Pearson/Prentice Hall, 2005.
Cita MLA (9th ed.)
Hanke, John E., i Dean W. Wichern. Business Forecasting. 8th ed. Pearson/Prentice Hall, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.