Gilliland, M., Sglavo, U., & Tashman, L. (2015). Business forecasting: Practical problems and solutions. Wiley.
Lua i Stíl Chicago (17ú heag.)Gilliland, Michael, Udo Sglavo, agus Len Tashman. Business Forecasting: Practical Problems and Solutions. Hoboken, New Jersey: Wiley, 2015.
Lua MLA (9ú heag.)Gilliland, Michael, et al. Business Forecasting: Practical Problems and Solutions. Wiley, 2015.
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