Eckersley, C. E.  & Kaufmann, W. <br/><br/>
Commercial Course for foreign students -Vol - I 

 - Longman, London  1964 
 - 328 
<br/><br/><label>ISBN: </label>0-582-52031-2 
<br/><br/><label>Dewey Class. No.: </label>381 Eck/Kau