Sampson, Anthony <br/><br/>
The seven sisters :  the great oil companies and the world they shaped / 
Anthony Sampson 
 - Bantam ed. 
 - New York :  Bantam Book,  1976 
<br/><br/>
<br/><br/><label>ISBN: </label>0553139401 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade