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