J. K. Moorhead, Charles Lee, editor
J.M. Dent and Sons , 1932
Buku Referensi
Browning, D. C.
J.M. Dent , 1951
Buku Referensi
edited by Angela Partington
Oxford University Press, 1993
Buku Referensi
A Norman Jeffares, Martin Gray, editor
HarperCollinPublisher, 1995
Buku Referensi
Oxford University
London, Oxford University Press
Buku Referensi