Kindleberger, Charles P., 1910-2003
Foreign trade and the national economy
Yale University Press, 1962
 Buku Teks
Baldwin, Robert E.
Trade policy in a changing world economy
Harvester/Wheatsheaf, 1988
 Buku Teks
Laski, Harold J.
Trade unions in the new society
George Allen and Unwin, 1960
 Buku Teks
McIlroy, John
Trade unions in Britain today
Manchester University Press , 1995
 Buku Teks
Rees, Albert
The Economics of trade unions
University of Chicago Press, 1962
 Buku Teks