Gaya APA

Wilson, J, H. et al (2007). Business forecasting with accompanying excel-based forecastX TM software (ed. 5). : McGraw-Hill.New York.

Gaya MLA

Wilson, J., Holton. et al. "Business forecasting with accompanying excel-based forecastX TM software". ed. 5 : McGraw-Hill.New York, 2007. Koleksi World Bank.