Breyer, Stephen G., 1938-, author
Little, Brown, 1982
Buku Teks
Sueur, AP.Le
Covendish Publishing Limited, 1995
Buku Teks
Leyland, Peter
Blackstone Press limited, 1999
Buku Teks
Thompson, Brian
Balckstone Press Limited, s.a.
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1977
Buku Teks