Chartrand, Gary <br/><br/>
Graphs & digraphs / 
 Graphs and digraphs 
G. Chartrand and L. Lesniak 
 - 4th ed. 
 - Boca Raton, Florida :  Chapman & Hall/CRC,  2005 
 - viii, 386 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1584883901 (alk. paper)  RM310.32 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Graph theory<br/>Directed graphs