Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Mary Ann Cunningham. 
 - 13th ed. 
 - New Delhi :  McGraw-Hill Companies, Inc.,  2015. 
 - xxvi, 613 p. :  ill. (some col.), col. maps ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780073383255 (hard copy : alk. paper) 9789339221263 
<br/><br/><label>LCCN: </label>2011015578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks.