De Blij, H.J. <br/><br/>
Geography:  realms, regions and concepts 

 - 11th ed. 
 - New Jersey  John Wiley  2004 
 - xxix, 566p. 
<br/><br/><label>ISBN: </label>0-471-45148-7 
<br/><br/><label>Subjects--Index Terms: </label>Geography 
<br/><br/><label>Universal Decimal Class. No.: </label>91  / BLI