Totterdell, Anne, author
Facet, 2005
Buku Teks
Totterdell, Anne, author
Library Association Publishing, 2000
Buku Teks
Jordan, Peter, author
Gower , 1995
Buku Teks
Jones, Noragh, author
Gower, 1987
Buku Teks
Jordan, Peter, author
Ashgate, 2002
Buku Teks