Gerritsen, Tess.
Pocket Books, 1996
Buku Teks
Hardy, T.
Macmillan, 1950
Buku Teks
Kramer, Dale, author
Cambridge University Press, 1991
Buku Teks
Hardy, Thomas, 1840-1928, author
Everyman's Library, 1991
Buku Teks
Gerritsen, W.P
Assen Van Gorcum t.th
Buku Teks