The University of Chicago Press, 2010
Buku Teks
University of Chicago
University of Chicago Press, 1982
Buku Referensi
Kenneth A. Adams
United States of America, 2008
Buku Teks
Adams, Kenneth A.
American Bar Association, 2008
Buku Teks
general editor, Philip Rubens
Henry Holt and Company, 1992
Buku Referensi