Marett, Paul
Ashgate, 2002
Buku Teks
Marett, Paul
Gower , 1991
Buku Teks
Edenborough, Michael
Cavendish Publishing Limited, 1995
Buku Teks
Edenborough, Michael
Cavendish Publishing , 1994
Buku Teks
Bently, Lionel, 1964-, author
Oxford University Press, 2014
Buku Teks