Waddams, S.M.
Canada Law Book INC, 1984
Buku Teks
Calamari, John D.
West Publishing, 1987
Buku Teks SO
Calamari, John D.
West Publishing, 1987
Buku Teks SO
Eisenberg, Melvin A.
Harcourt Brace, 1994
Buku Teks
Simpson, Laurence P.
West Publishing, 1954
Buku Teks SO