Generalized system of preferences handbook on the scheme of the United States of America. 
/ by United Nations Conference on Trade and Development (UNCTAD). 
 - New York :   United Nations,   2016. 
 - vii, 106 pages.: illustrations. 
<br/><br/> Includes bibliography 
<br/><br/><label>LC Class. No.: </label>UNCTAD(02)2016/8