Kayleen M. Hazlehurst
Avebury, 2001
Buku Teks
Spate, Oskar Hermann Kristian, author
Oxford University Press, 1965
Buku Teks
Twain, Mark, 1835-1910, author
Penguin Books, 1973
Buku Teks
Warnecke, Andrea, author
Profiles Publishing, 2000
Buku Teks
Ellis, Niki, author
Oxford University Press, 2001
Buku Teks