Smith, Mitchell Oakley, author
Thames & Hudson, 2013
Buku Teks
edited by Andrew Blowers, Bob Evans
Routledge, 1997
Buku Teks
Trident Press, [Date of publication not identified]
Buku Referensi
edited by Andrew Blowers and Bob Evans
Routledge, 1997
Buku Teks
edited by Philip Sutton and Hazel M. Mitchell
CABI, 2010
Buku Teks