Thompson, Mark P.
Oxford University Press, 2001
Buku Teks
Glicksman, Robert L.
West Publishing Co., 1995
Buku Teks
Thompson, Mark P.
Sweet & Maxwell, 1995
Buku Teks
Curzon, L.B.
Pitman, 1993
Buku Teks
edited by Toshio Noh and Douglas H. Gordon
Teikoku-Shoin, 1974
Buku Teks SO