edited by M.J. Toswell and E.M. Tyler
Routledge, 1996
Buku Referensi
Hughes, Arthur
Cambridge University Press, 1994
Buku Teks
Tarner, Margaret
Dian Rakyat, 1991
Buku Teks
Moore, Colette
Cambridge University Press , 2011
Buku Teks
Archipelago Press , 1998
Buku Teks