Silva, Karen E. <br/><br/>
Hospitality & Management 
Karen E. silva , Debra M. Howard 
 - New York  Mc Graw-Hill/Glencoe /  2006 
 - xviii, 365p.  ill.  27cm. 
<br/><br/> Includes index : p. 356 - 364 
<br/><br/><label>ISBN: </label>0078682967