Introduction to geography / 
Arthur Getis ... [et al.]. 
 - 13th  ed. 
 - New York :  McGraw-Hill,  2011. 
 - 1 v. (various paging) ; 
<br/><br/><label>ISBN: </label>0071221913 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography.