Stone, Bradford
West Publishing, 1995
Buku Teks
White, James J.
St. Paul Minn, 1988
Buku Teks
White, James J.
West Publishing, 1972
Buku Teks
The American Law Intitute, 1976
Buku Teks
Paulus P. Rahardjo, editor
West Publishing Company, 1982
Buku Teks