Williams, T. A., Sweeney, D. J., & Anderson, D. R. (2006). Contemporary business statistics/3rd ed. Cengage learning.
Chicago Style aipamenaWilliams, Thomas A., Dennis J. Sweeney, and David R. Anderson. Contemporary Business Statistics/3rd Ed. Australia: Cengage learning, 2006.
MLA aipamenaWilliams, Thomas A., et al. Contemporary Business Statistics/3rd Ed. Cengage learning, 2006.
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