Nature, value, duty :  life on Earth with Holmes Rolston, III / 
edited by Christopher J. Preston and Wayne Ouderkirk. 
 - Dordrecht :  Springer,  c2007. 
 - xx, , 280 p. ;  25 cm. 
 - The international library of environmental, agricultural, and food ethics ;  v. 8 .
<br/><br/> Fakulti Agro-Industri dan Sumber Asli 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9781402048777 
<br/><br/><label>Subjects--Personal Names: </label><br/>Rolston, Holmes, 1932- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Philosophy.<br/>Environmental ethics.