Prime, John H., author
Prentice-Hall, 1958
Buku Teks
West Publishing Co., 1996
Buku Teks
Choper, Jesse H., author
Harcourt Brace Legal and Profesional Publications, 1989
Buku Teks
Cohen, Jerome B., author
Richard D. Irwin, 1973
Buku Teks
Solomon, Lewis D.
West Publishing Co, 1993
Buku Referensi