Environmental ethics :  readings in theory and application / 
[edited by] Louis P. Pojman. 
 - 3rd ed. 
 - Belmont, California :  Wadsworth,  2001. 
 - viii, 551 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0534543715 (pbk.)  RM265.12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental ethics.