Black, K. (2004). Business statistics for contemporary decision making (4th ed.). Hoboken, NJ.: Wiley.
Παραπομπή Chicago StyleBlack, Ken. Business Statistics for Contemporary Decision Making. 4th ed. Hoboken, NJ.: Wiley, 2004.
Παραπομπή MLABlack, Ken. Business Statistics for Contemporary Decision Making. 4th ed. Hoboken, NJ.: Wiley, 2004.
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