(2007). Statistics for the behavioral sciences Frederick J. Gravetter, Larry B. Wallnau. Thomson.
Lua i Stíl Chicago (17ú heag.)Statistics for the Behavioral Sciences Frederick J. Gravetter, Larry B. Wallnau. Thomson, 2007.
Lua MLA (8ú heag.)Statistics for the Behavioral Sciences Frederick J. Gravetter, Larry B. Wallnau. Thomson, 2007.
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