Britain's invisible exports 

 - London  H M S O         1972 
 - 64p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Export
<br/><br/><label>Dewey Class. No.: </label>X:545.3.N7, L2