Betancourt, Rómulo,  1908-1981 <br/><br/>
Venezuela's oil 

 - London :  George Allen & Unwin,  1978. 
 - 275 p. 
<br/><br/>Bibliografía: p. 274-275. 
<br/><br/><label>ISBN: </label>0043380832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INDUSTRIA PETROLERA--VENEZUELA