MENDENHALL, W. (1989). Statistic For Management And Economics. PWS-Kent.
Lua i Stíl Chicago (17ú heag.)MENDENHALL, William. Statistic For Management And Economics. PWS-Kent, 1989.
Lua MLA (8ú heag.)MENDENHALL, William. Statistic For Management And Economics. PWS-Kent, 1989.
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