Carlberg, C. G. (2016). Excel® sales forecasting for dummies (2nd edition.). Hoboken, NJ: John Wiley & Sons, Inc..
Dyfyniad Arddull ChicagoCarlberg, Conrad George. Excel® Sales Forecasting for Dummies. 2nd edition. Hoboken, NJ: John Wiley & Sons, Inc., 2016.
Dyfyniad MLACarlberg, Conrad George. Excel® Sales Forecasting for Dummies. 2nd edition. Hoboken, NJ: John Wiley & Sons, Inc., 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.