Cooper, Joseph D., author
Doubleday, 1961
Buku Teks
Olson, Charles L., author
Scott, Foresman, 1983
Buku Teks
Ibnu Syamsi, author
Bina Aksara, 1989
Buku Teks
Maple, Frank F., author
Sage, 1989
Buku Teks
Anderson, Bruce
Kluwer Law Publishers, 1996
Buku Teks