Anderson, D. R., Sweeney, D. J., & Williams, T. A. (1993). Statistics for business and economics (5th ed.). West Publishing Co..
Lua i Stíl Chicago (17ú heag.)Anderson, David Ray, Dennis J. Sweeney, agus Thomas Arthur Williams. Statistics for Business and Economics. 5th ed. Minneapolis: West Publishing Co., 1993.
Lua MLA (9ú heag.)Anderson, David Ray, et al. Statistics for Business and Economics. 5th ed. West Publishing Co., 1993.
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