Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Mary Ann Cunningham. 
 - 10th ed. 
 - Boston :  McGraw Hill Higher Education,  c2008. 
 - xxiv, 488 p. : fold maps, photos 
<br/><br/> Includes appendices, glossary and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Study and teaching.