Burton, Samuel Holroyd
Longman, 1975
Buku Teks
Cox, C. Barry
Edward Arnold, 1979
Buku Teks
Alexander, Harriet Semmes, 1949-
Swallow Press, 1986
Buku Referensi
Lennard, John
University Press, 2005
Buku Referensi
Eliot, T.S.
Faber and Faber, 1933
Buku Teks