Spate, Oskar Hermann Kristian
Oxford University Press, 1965
Buku Teks
Twain, Mark, 1835-1910
Penguin Books, 1973
Buku Teks
Warnecke, Andrea
Profiles Publishing, 2000
Buku Teks
Ellis, Niki
Oxford University Press, 2001
Buku Teks
Norton, Frank
Angus and Robertson, 1953
Buku Teks