Johnsonbaugh, Richard. <br/><br/>
Discrete mathematics / 
Richard Johnsonbaugh 
 - 7th ed 
 - Upper Saddle River, New Jersey :  Pearson/Prentice Hall,  c2009 
 - xvii, 766 p. :  ill. (some col.) ;  26 cm. 
<br/><br/> Previous ed.: 2004 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780131593183 0131593188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/>Mathematics--Problems, exercises, etc<br/>Computer science--Mathematics<br/>Computer science--Mathematics--Problems, exercises, etc