Wright, Richard T., <br/><br/>
Environmental science : toward a sustainable future 

 - 10th ed. 
 - New Delhi  PHI Learning  2008. 
 - xxii:682p.:  28 cm. 
<br/><br/> Includes bibliographical references and index.  
<br/><br/><label>ISBN: </label>9788120336902 
<br/><br/><label>Dewey Class. No.: </label>363.7 WRI