Merryman, John Henry, author
Bobbs-Merril, 1978
Buku Teks
Kelsen, Hans, author
Alumni, 1982
Buku Teks
Kelsen, Hans, author
Alumni, 2006
Buku Teks
Beatty, Jeffrey F., author
South Western Cengage Learning, 2011
Buku Teks
Romano, Santi, 1875-1947, author
Routledge, 2017
Buku Teks