Guffey, Mary Ellen. <br/><br/>
Essentials of Business Communication / 
Mary E .Guffey 
 - 2nd ed 
 - London :  Wadsworth Publishing,  1992 
 - 439 p. 
<br/><br/><label>ISBN: </label>0534925553 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business writing.<br/>English language--Business English.<br/>Business communication.
<br/><br/><label>LC Class. No.: </label>HF5718.3  / G941 E8 1992