Citazione APA

Williams, T. A., Sweeney, D. J., & Anderson, D. R. (2006). Contemporary business statistics/3rd ed. Cengage learning.

Stile di citazione Chicago

Williams, Thomas A., Dennis J. Sweeney, e David R. Anderson. Contemporary Business Statistics/3rd Ed. Australia: Cengage learning, 2006.

Citazione MLA

Williams, Thomas A., et al. Contemporary Business Statistics/3rd Ed. Cengage learning, 2006.