Nelson, L. F. <br/><br/>
Commercial Correspondence and Commercial English 

 - 6th ed 
 - Sir ISAAC Pitman & Sons, London  1964 
 - viii,120 
<br/><br/><label>ISBN: </label>273-40324-9 
<br/><br/><label>Dewey Class. No.: </label>651.7 Nel