Keller, Gerald <br/><br/>
Statistics for Management and Economics: 

 - 5th ed. 
 - USA:  Thomson,  2000. 
 - xxvii, 901p.:  ill.; 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780534368302 
<br/><br/><label>LC Class. No.: </label>HD30.215  / kel 2005