"Christie Agatha" <br/><br/>
AT BERTRAM'S HOTEL 

 - london  ,London : HarperCollins, 2002, c1927.  2001 
 - 217 
<br/><br/><label>ISBN: </label>0451199936 
<br/><br/><label>Dewey Class. No.: </label>F823  / 820