Wood, James
Warner , 1958
Buku Referensi
J. K. Moorhead, Charles Lee, editor
J.M. Dent and Sons , 1932
Buku Referensi
Browning, D. C.
J.M. Dent , 1951
Buku Referensi
Oxford University
London, Oxford University Press
Buku Referensi
London, Oxford University Press
Buku Referensi