DesJardins, Joseph R. <br/><br/>
Environmental ethics :  an introduction to environmental philosophy / 
Joseph R. DesJardins. 
 - 5th ed. 
 - Boston, MA :  Wadsworth Cengage Learning,  2013. 
 - xvi, 282 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781133049975 (pbk.)  RM 431.66 1133049974 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental ethics.