Choper, Jesse H.
Harcourt Brace Legal and Profesional Publications, 1989
Buku Teks
Hamilton, Robert W.
West Publishing, 1996
Buku Teks
Henn, Harry G.
West Publishing, 1983
Buku Teks
Badr, Amin M.
Cairo Univ Press, 1953
Buku Teks
Henn, Harry G.
West Publishing, 1961
Buku Teks