edited by Leslie Stephen, Sidney Lee
Oxford University Press, 1950
Buku Referensi
Craven, Paul R.
Dickenson Publishing, 1968
Buku Teks SO
Disher, Garry
Angus & Robertson Pub., 1988
Buku Teks SO
Hyland, M. J.
Text Publishing, 2006
Buku Teks
Helzer, Garry
Little, Brown And Company, 1983
Buku Teks SO