McConnell, Grant
Alfred A. Knopf, 1967
Buku Teks
Judd, Dennis R.
Little, Brown, 1979
Buku Teks
Coll, Steve
Penguin Books, 2004
Buku Teks
Garland, Paul Griffith
Parker School of Foreign and Comparative Law, Columbia University, by Oceana Publications, 1959. , 1959
Buku Teks
Galbraith, John Kenneth, 1908-2006
Houghton Miffiln, 1952
Buku Teks