Hardy, Thomas, 1840-1928
Macmillan, 1951
Buku Teks SO
Guerard, Albert J.
Harvard University Press, 1949
Buku Teks SO
Blunden, Edmund
Macmillan's Pocket Lib., 1951
Buku Teks SO
Kramer, Dale
Cambridge University Press, 1991
Buku Teks SO
Hardy, Thomas, 1840-1928
Everyman's Library, 1992
Buku Referensi