edited by Boris Ford
Cambridge University , 1989
Buku Teks
edited, Bart Moore-Gilbert, John Seed
Routledge, 1992
Buku Teks
compiled by S.K Baker
Oxford Publishing, 1984
Buku Referensi
Sjotter, David
Routledge, 1998
Buku Teks
Weatherill, Lorna
Routledge, 1996
Buku Teks