De Los Reyes, Rodolfo "Dups" A.  <br/><br/>
Watch your business english! :  a practical guidebook to over 800 concerns on correct usage in business correspondence.  
Rodolfo "Dups" A. De Los Reyes /  
 - Pasig City:   PPG Book, Inc. ,   1991. 
 - 230 pages:   illustrations, pictures ;  18 cm.  
 -  volume 1-4 .
<br/><br/>includes index, and bibliographical references.  
<br/><br/><br/>English  
<br/><br/><label>ISBN: </label>9718798005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English. <br/>Correct usage. 
<br/><br/><label>Dewey Class. No.: </label>421.1  / A1