Patricia Ackert <br/><br/>
Concepts and Comments / 
Patricia Ackert 
 - 3rd 
 - Boston :  Thomson Heinle,  2005. 
 - 254p 
<br/><br/><label>ISBN: </label>9781413004489 
<br/><br/><label>Dewey Class. No.: </label>420Apc