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

 - 7th ed.. 
 -  McGraw Hill Education  2011 
<br/><br/><label>ISBN: </label>9780070681880 
<br/><br/><label>Dewey Class. No.: </label>511.076  / T11 ROS