Anderson, D. R., Sweeney, D. J., & Williams, T. A. (2004). Quantitative methods for business. (9th ed.). Thomson / South-Western.
Chicago (17e ed.) BronvermeldingAnderson, David Ray, Dennis J. Sweeney, en Thomas Arthur Williams. Quantitative Methods for Business. 9th ed. Australia ; United Kingdom: Thomson / South-Western, 2004.
MLA (9e ed.) BronvermeldingAnderson, David Ray, et al. Quantitative Methods for Business. 9th ed. Thomson / South-Western, 2004.