Johnsonbaugh, Richard. <br/><br/>
Discrete mathematics / 
Richard Johnsonbaugh. 
 - 7th ed. 
 - United States of America :  Prentice Hall International,  2009. 
 - xvii, 766 p :  ill. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780131354302 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science--Mathematics.<br/>Mathematics.
<br/><br/><label>LC Class. No.: </label>QA39.2  / .J64