Hasanuddin Rahman
Citra Aditya Bakti, 2003
Buku Teks SO
Adams, Kenneth A.
American Bar Association, 2008
Buku Teks SO
Carmody, Emmett J.
Oklahoma: CAD Press, c1989
Buku Teks
Rhyne, Charles S.
National Institute of Municipal Law Officers, 1952
Buku Teks SO
Bethune, James D.
Prentice-Hall, 1980
Buku Teks