McClave, J. T., & Benson, P. G. (1988). Statistics for business and economics (4ª ed.). Dellen.
Lua i Stíl Chicago (17ú heag.)McClave, James T., agus P. George Benson. Statistics for Business and Economics. 4ª ed. Dellen, 1988.
Lua MLA (9ú heag.)McClave, James T., agus P. George Benson. Statistics for Business and Economics. 4ª ed. Dellen, 1988.
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