Ellsworth P T <br/><br/>
International economy 
Ellsworth P T; Leith J C 
 - 6 
 - New York  New York, Macmillan  1990 
 - 569p 
<br/><br/><label>ISBN: </label>0-02-946131-6 
<br/><br/><label>Source: </label>Textbook