Hardy, Thomas, 1840-1928
Everyman's Library, 1997
Buku Teks SO
Kramer, Dale
Cambridge University Press, 1991
Buku Teks SO
Hardy, Thomas, 1840-1928
Everyman's Library, 1992
Buku Referensi
edited by N.V. Meeres
Macmillan, 1947
Buku Teks SO
Syivie Meiliana
1997
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