Anderson, D. R., Sweeney, D. J., & Williams, T. A. (2018). statistics for business and economics 8e. Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Anderson, David R., Dennis J. Sweeney, agus Thomas A. Williams. Statistics for Business and Economics 8e. Australia ; Boston, MA: Cengage Learning, 2018.
Lua MLA (9ú heag.)Anderson, David R., et al. Statistics for Business and Economics 8e. Cengage Learning, 2018.
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