APA استشهاد

Hanke, J. E. (2003). Business forecasting (7th ed.). Pearson.

استشهاد بنمط شيكاغو

Hanke, John E. Business Forecasting. 7th ed. New Delhi: Pearson, 2003.

MLA استشهاد

Hanke, John E. Business Forecasting. 7th ed. Pearson, 2003.