APA-referens (7:e uppl.)

Hanke, J. E., Reitsch, A. G., & Wichern, D. W. (2001). Business forecasting (7th ed.). Prentice Hall.

Chicago-referens (17:e uppl.)

Hanke, John E., Arthur G. Reitsch, och Dean W. Wichern. Business Forecasting. 7th ed. Upper Saddle River, N.J: Prentice Hall, 2001.

MLA-referens (9:e uppl.)

Hanke, John E., et al. Business Forecasting. 7th ed. Prentice Hall, 2001.