Naterop,Bertha J. <br/><br/>
Bussiness Letters For All. 

 -  Oxford University Press.  1987 
<br/><br/> 163 P. 24 CM. 
<br/><br/>PEMBEKAL:KOP.KEDAI BUKU UM/NO.LO. 
<br/><br/><label>Dewey Class. No.: </label>651.75 NAT.