William, Kate
N.Y. Bantam Books, 1988
Buku Teks
William, Kate
Bantam Bokks, 1992
Buku Teks
Smith, Gary L.
Ballantine Books, 1994
Buku Teks
Johnston, George, 1912-1970
Collins Fontana Books, 1979
Koleksi Publik
Huxley, Aldous
Chatto & Windus, 1930
Buku Teks