Rosen, Kenneth H. <br/><br/>
Discrete mathematics & its applications:  with combinatorics and graph theory/ 

 - 6th ed. 
 - New Delhi  Tata McGraw-Hill   2007 
 - xxi, (various paging) :  ill. ; 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0070648247 
<br/><br/><label>LC Class. No.: </label>QA39.3  / .R71 2007