Choper, Jesse H.
Harcourt Brace Legal and Profesional Publications, 1989
Buku Teks
Wolfe, Arthur D.
John Wiley & Sons, 1984
Buku Teks
Henn, Harry G.
West Publishing, 1983
Buku Teks
Henn, Harry G.
West Publishing, 1961
Buku Teks
Henn, Harry G.
West Publishing, 1970
Buku Teks