Adib Vincent Tung B.Abdullah <br/><br/>
Susila Protokol Diraja,Diplomatik Dan Formal 

 -  Karisma Publications  2003 
 - 30CM 
<br/><br/><label>ISBN: </label>9831950208 
<br/><br/><label>Dewey Class. No.: </label>327.209595 ADI 2003 C.2