Johnson, Harry Gordon  (1923-1977). <br/><br/>
Aspects of the theory of tariffs / 
by Harry G. Johnson. 
 - London :  George Allen & Unwin,  1971. 
 - XII, 451 s. :  il. ;  22 cm. 
<br/><br/>Indeks. 
<br/><br/><label>ISBN: </label>004382014X 0043820158