O'Quinn, Ken <br/><br/>
Perfect phrases for business letters / 
Ken O'Quinn. 
 - NY :  McGraw-Hill,  c2006. 
 - 159 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial correspondence--Handbooks, manuals, etc.<br/>Commercial correspondence--Terminology<br/>Business writing<br/>Letter writing