edited by Jeremy Moon and Campbell Sharman
Cambridge University Press, 2003
Buku Teks
edited by Gabriel Brahm, Marrk Driscoll
Westview Press , 1995
Buku Teks
Keith, Arthur Berriedale, 1879-1944, author
British Council, 1940
Buku Teks
Maitland-Jones, J.F., author
W.W. Norton, 1974
Buku Teks
Rydon, Joan
Oxford University Press, 1986
Buku Teks