Brock, Luther A. <br/><br/>
How to communicate by letter and memo. 

 -  McGraw Hill: N.Y.  1974. 
 - var p  illus. 
<br/><br/><label>ISBN: </label> 42.65 
<br/><br/><label>LCCN: </label>eva00000014  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial correspondence
<br/><br/><label>Dewey Class. No.: </label>651.7