Korespondensiya sa Filipino 
Matienzo, Narciso V. 
 - Revised edition. 
 -  National  Book Store.  2008 
 - xi, 166 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71086932-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business letters.
<br/><br/><label>Dewey Class. No.: </label>F 651.7 M433 2008