Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham and Mary Ann Cunningham. 
 - 9th ed. 
 - Boston:  McGraw-Hill,  2007. 
 - 620p.:  col ill.; 
<br/><br/> Includes an index 
<br/><br/><label>ISBN: </label>0073301698 9780073301693 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental science.
<br/><br/><label>Dewey Class. No.: </label>363.7