Edmonds, Mark
Routledge, 1999
Buku Teks
Holt, J.C., author
Cambridge University Press, 1992
Buku Teks
Thomas, Julian
Routledge, 1996
Buku Teks
Gordon, Andrew, author
Oxford University Press, 2003
Buku Teks
Phillip Pulsiano, Elaine Treharne, editor
Blackwell Publishing, 2008
Buku Teks