Cita APA (7th ed.)

Hanke, J. E., & Wichern, D. W. (2009). Business forecasting (9th ed.). Pearson Education.

Cita Chicago (17th ed.)

Hanke, John E., i Dean W. Wichern. Business Forecasting. 9th ed. Upper Saddle River, N.J: Pearson Education, 2009.

Cita MLA (9th ed.)

Hanke, John E., i Dean W. Wichern. Business Forecasting. 9th ed. Pearson Education, 2009.