Slapper, Gary, author
Cavendish Publishing Limited, 2000
Buku Teks
Keenan, Denis, author
Pitman, 1992
Buku Teks
Harris, Phil, author
Weidenfeld and Nicolson, 1993
Buku Teks
Hames, Joanne Banker, author
Prentice-Hall, 1998
Buku Teks
Jaap Hage, Antonia Waltermann, Bram Akkermans, editors
Springer International Publishing, 2017
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