Sinha, P C. <br/><br/>
Global tourism, sustainable tourism & eco-tourism code of ethics, charter, guidelines, resolutions/ 
P C. Sinha 
 - New Delhi, India:  SBS Publishers & Distributions,  c2006. 
 - ix, 286 pages :  illustrations ;  22 cm. 
<br/><br/>Includes bibliographical references, glossary, and index.