Daintith, Terence
Integration Through Law Europe and the American FederalExperience /Terence Daintich and Stephen F. Williams;
Walter de Gruyter, 1987
 Buku Teks
Friedman, Lawrence M., 1930-
American law
W.W. Norton, 1984
 Buku Teks
Latin American economic integration : experience and prospects
edited by Miguel S. Wionczek
Frederick A. Praeger, 1966
 Buku Teks
Kitzinger, Uwe W.
The politics and economics of European integration : Britain, Europe, and the United States
Frederick A. Praeger, 1963
 Buku Teks
Walker, Marianne McGettigan
American law institute restatement of the law
American law Institute Publishers, 1995
 Buku Teks