APA (7e ed.) Bronvermelding

(1973). Methods and techniques of business forecasting. Prentice-Hall, Inc.

Chicago (17e ed.) Bronvermelding

Methods and Techniques of Business Forecasting. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1973.

MLA (9e ed.) Bronvermelding

Methods and Techniques of Business Forecasting. Prentice-Hall, Inc, 1973.