LOCKER, O.K. <br/><br/>
Business And Administrative Communication. 

 - 7th Ed. 
 - New York,  McGraw-Hill Irwin,  2006. 
 - xxx,679p.:ill:,figure,picture  Glossary & Index  28cm. 
<br/><br/><label>ISBN: </label>0-07-296446-4 
<br/><br/><label>Dewey Class. No.: </label>651.7KIT.