Pecar, B., Davis, G., & Lillystone, S. (1994). Business forecasting for management. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Pecar, Branko, Glyn Davis, agus Simon Lillystone. Business Forecasting for Management. London ; New York: McGraw-Hill, 1994.
Lua MLA (8ú heag.)Pecar, Branko, et al. Business Forecasting for Management. McGraw-Hill, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.