Sampson, Anthony. <br/><br/>
The seven sisters :   the great oil companies and the world they shaped  
/ by Anthony Sampson. 
 - New York :   Viking Press,   1975. 
 - xv, 395 p. :   map ;   24 cm. 
<br/><br/><label>ISBN: </label>0553125222 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petroleum industry and trade --History.
<br/><br/><label>Dewey Class. No.: </label>338.2728 SEV