Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Mary Ann Cunningham, Barbara Woodworth Saigo. 
 - 9th ed. 
 - Boston :  McGraw-Hill,  2007. 
 - xvi, 620 p. 
<br/><br/><label>ISBN: </label>9780071105965 :  GBP 40.30 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences.