Eckersley C E   & W Kaufmann <br/><br/>
English and American business letters 

 - Longman, London  1975 
 - 176p figs. 
<br/><br/><label>ISBN: </label>0-582-52606-X 
<br/><br/><label>Dewey Class. No.: </label>651.75 Eck/Kau