Leeming, Glenda, author
Macmillan, 1989
Buku Teks
Brown, Richard H., author
Cambridge University Press, 1977
Buku Teks
Lewis, C. Day, author
Jonathan Cape, 1949
Koleksi Publik
Wessels, Charlyn, author
Oxford University Press, 1991
Buku Teks
Curran, Stuart, author
Oxford University Press, 1986
Buku Teks