Anderson, D. R., & Sweeney, D. J. Essentials of modern business statistics with Microsoft Office Excel. Australia: South - Western Cengage learning.

Anderson, David R., و Dennis J. Sweeney. Essentials of Modern Business Statistics With Microsoft Office Excel. Australia: South - Western Cengage learning.

Anderson, David R., و Dennis J. Sweeney. Essentials of Modern Business Statistics With Microsoft Office Excel. Australia: South - Western Cengage learning.