KITCHENS LARRY J. (2003). BASIC STATISTICS AND DATA ANALYSIS - CD. THOMSON.
Lua i Stíl Chicago (17ú heag.)KITCHENS LARRY J. BASIC STATISTICS AND DATA ANALYSIS - CD. AUSTRALIA: THOMSON, 2003.
Lua MLA (9ú heag.)KITCHENS LARRY J. BASIC STATISTICS AND DATA ANALYSIS - CD. THOMSON, 2003.
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