Sampson, Anthony <br/><br/>
The seven sisters :  the great oil companies and the world they shaped / 
Anthony Sampson. 
 - New York :  Bantam Books,  1976. 
 - xviii, 395 p. : map. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade--History