Environmental science :  a study of interrelationships / 
Enger, Eldon D.; Smith, Bradley F. 
 - 11th ed. 
 - New York :  McGraw-Hill,  2009. 
 - xxiv, 488 p.: ill.; 25.5cm. 
<br/><br/>Includes appendices, glossary, credits, and index 
<br/><br/><label>ISBN: </label>9780071282758 
<br/><br/><label>Dewey Class. No.: </label>C 574 E445 2009