Writing business letters / 
Egipto, Joel Joseph 
 - Manila :  Rex Book Store, Inc,  2005. 
 - xiv, 286 p. ; 22.1cm. 
<br/><br/>includes appendix, glossary, references, index 
<br/><br/><label>ISBN: </label>9712342085 
<br/><br/><label>Dewey Class. No.: </label>Fil 657.7 E29 2005