Oddey, Alison
Routledge, 1994
Buku Teks
Oddey, Alison, author
Routledge , 1994
Buku Referensi
Callery, Dymphna, author
N. Hern, 2001
Buku Teks
edited by Chas Critcher and David Waddington
Avebury, 1996
Buku Teks
Norman, Sandy, author
Facet Publishing, 2004
Buku Teks