Anderson, David R. <br/><br/>
Quantitative methods for business / 
David R. Anderson ; Dennis J. Sweeney ; Thomas A. Williams ; Jeffrey D. Camm ; James J. Cochran ; Michael J. Fry ; Jeffrey W. Ohlmann 
 - 13th ed. 
 - Boston, MA :  Cengage Learning,  2016. 
 - xxii, 914 p. :  ill., col. ;  26cm