Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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