481 effective model business letters :  professionally written letters that will bring success to your business / 
RR Media 
 - 1st ed. 
 - Batu Caves, Selangor :  RR Media,  2009. 
 - xvii, 516 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>9789834379414 (hbk.)  B 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Commercial correspondence.<br/>Business writing.<br/>English language -- Business English.