edited by Boris Ford
Penguin Books, 1957
Buku Teks
Gosse, Edmund, 1849-1928
J.M. Dent, 1950
Buku Teks
Dobree, Bonamy, author
The British Council by Longmans, Green, 1956
Buku Teks
Howard D. Weinbrot
Cambridge University Press, 1991
Buku Teks
American Psychiatric Association, 1994
Buku Teks