Crowley, Tony, author
Macmillan, 1989
Buku Teks
Barber, Charles
Cambridge University Press, 1993
Buku Teks
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
Buku Referensi
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
Buku Referensi
selected and introduced by Roy Harris
Routledge/Thoemmes Press, 1995
Buku Referensi