Arens, William F. <br/><br/>
Essentials of contemporary / 
William F. Arens, David H. Schaefer, Michael Weigold. 
 - 2nd ed. 
 - Boston :  McGraw-Hill,  c2009. 
 - xxiv, 558 p. :  iil. ;  26 cm. 
<br/><br/>Includes bibliography and index. 
<br/><br/><label>ISBN: </label>9780071270571 
<br/><br/><label>Subjects--Personal Names: </label><br/>Schaefer, David H.<br/>Weigold, Michael
<br/><br/><label>Dewey Class. No.: </label>659.1  / ARE