APA (7e ed.) Bronvermelding

Hanke, J. E. (2001). Business Forecasting (9th.). Prentice Hall of India.

Chicago (17e ed.) Bronvermelding

Hanke, John E. Business Forecasting. 9th. New Delhi: Prentice Hall of India, 2001.

MLA (9e ed.) Bronvermelding

Hanke, John E. Business Forecasting. 9th. Prentice Hall of India, 2001.