APA (7e ed.) Bronvermelding

Makridakis, S. G., & Wheelwright, S. C. (1989). Forecasting methods for management (5th ed.). Wiley.

Chicago (17e ed.) Bronvermelding

Makridakis, Spyros G., en Steven C. Wheelwright. Forecasting Methods for Management. 5th ed. New York: Wiley, 1989.

MLA (9e ed.) Bronvermelding

Makridakis, Spyros G., en Steven C. Wheelwright. Forecasting Methods for Management. 5th ed. Wiley, 1989.