Andrew Christie, Stephen Gare
Blackstone Press, 2001
Buku Teks
Emanuel, Steven
Emanuel Law Outlines, 1993
Buku Teks
Bernhardt, Robert
West Publishing, 1991
Buku Teks
Haar, Charles M.
Little, Brown, 1977
Buku Teks
Schlatter, Richard
George Allen & Uwin , 1951
Buku Teks