Johns Hopkins University Press, 1979
Buku Teks
Cambridge University Press, 1978
Buku Teks
Good, John M.
Heath , 1970
Buku Teks
edited by Anne Digby, Charles Feinstein and David Jenkins
Macmillan, 1992
Buku Teks
Tosh, John, author
Longman , 1991
Buku Teks