Usher, Geoffrey R. <br/><br/>
Dear sir/madam :  writing business letters and memos / 
Geoffrey R. Usher. 
 - Melbourne :  Thomas Nelson,  1991. 
 - 113 p. 
<br/><br/><label>ISBN: </label>0170086488 
<br/><br/><label>LCCN: </label>91022187     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business writing.<br/>Commercial correspondence.<br/>Memorandums.