WILSON J HOLTON. (2002). BUSINESS FORECASTING WITH ACCOMPANYING EXCEL BASED FORECAST XTM SOFTWARE - CD (4TH.). MCGRAW-HILL.
Chicago-referens (17:e uppl.)WILSON J HOLTON. BUSINESS FORECASTING WITH ACCOMPANYING EXCEL BASED FORECAST XTM SOFTWARE - CD. 4TH. BOSTON: MCGRAW-HILL, 2002.
MLA-referens (9:e uppl.)WILSON J HOLTON. BUSINESS FORECASTING WITH ACCOMPANYING EXCEL BASED FORECAST XTM SOFTWARE - CD. 4TH. MCGRAW-HILL, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.