Buckley, Ralf <br/><br/>
Ecotourism :  principles and practices / 
Ralf Buckley 
 - Cambridge, Mass. :  CABI,  c2009 
 - x, 368 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 317-362) and index 
<br/><br/><label>ISBN: </label>9781845934576 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecotourism