Uviller, H. Richard
St. Paul Minn West Publishing, 1979
Buku Teks
McNamara, Robert Hartmann, author
McGraw-Hill, 2009
Buku Teks
edited by Malcolm W. Klein
Sage, 1976
Buku Teks
Pergamon Press, 2018
Majalah, Jurnal, Buletin
Tak, Peter J. P
Wolf Legal, 2008
Buku Teks