Cita APA (7a ed.)

Hanke, J. E. W. (2013). Business forecasting (8th ed.). Cengage Learning.

Cita Chicago Style (17a ed.)

Hanke, John E; Wichern. Business Forecasting. 8th ed. New Delhi: Cengage Learning, 2013.

Cita MLA (9a ed.)

Hanke, John E; Wichern. Business Forecasting. 8th ed. Cengage Learning, 2013.