APA (7e ed.) Bronvermelding

Hanke, J. E., & Wichern, D. W. (2015). Business Forecasting (9th ed.). Pearson India Education Pvt. Ltd.

Chicago (17e ed.) Bronvermelding

Hanke, John E., en Dean W. Wichern. Business Forecasting. 9th ed. New Delhi: Pearson India Education Pvt. Ltd, 2015.

MLA (9e ed.) Bronvermelding

Hanke, John E., en Dean W. Wichern. Business Forecasting. 9th ed. Pearson India Education Pvt. Ltd, 2015.