Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.