Cunningham, William P. <br/><br/>
Environmental science :  a global concern / 
William P. Cunningham, Mary Ann Cunningham, Barbara Woodworth Saigo 
 - 9th ed. 
 - Boston :  McGraw-Hill Higher Education,  2007 
 - 620 p. :  col. ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0072830891 9780072830897 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences--Textbooks