Dixson, Robert J.
Regents Publishing, 1971
Buku Teks
English Language Services; editor, Charles J. Hirsch, James A. Curtin
Collier/Macmillan, 1971
Buku Teks
Pincas, Anita
Macmillan Press, 1983
Buku Teks
compiled and translated by Ismail Mazhar
The Renaissance Bookshop, 1950
Buku Referensi
Radford, Andrew
Cambridge University Press, 2009
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