Liu, C. L., Au. <br/><br/>
Elements of discrete mathematics 

 - 2nd,3rd 
 - New Delhi  McGraw-Hill  2002 
<br/><br/><label>ISBN: </label>007043476X 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Discrete mathematics
<br/><br/><label>Dewey Class. No.: </label>511.6  / L67E