Annual report / 
Petroliam Nasional Berhad 
 - Kuala Lumpur :  Petronas,  2004- 
 - 60 p. :  ill. ;  29 cm. 
<br/><br/> PTSL : 2004, 2005, 2006, 2007, 2008, 2009 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Petroliam Nasional Berhad
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade--Malaysia