Summers, Donna C. <br/><br/>
Quality 

 - 5th. ed. 
 - New Jessey  Pearson Education Limited 
 - 535 p.: 
<br/><br/><label>ISBN: </label>9781292041780 
<br/><br/><label>LC Class. No.: </label>TS 156.6  /  . Sum 6 2014