Hardy, Thomas, 1840-1928
Everyman's Library, 1991
Buku Teks SO
Kramer, Dale
Cambridge University Press, 1991
Buku Teks SO
Gerritsen, Tess.
Pocket Books, 1996
Buku Teks SO
Greenberg, Daniel S.
The University of Chicago Press , 1999
Buku Teks SO
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