Burke, Claire
New York Routledge, 1999
Buku Teks
Stocker, Paul, 1971-, author
Cambridge University Press, 2012
Buku Teks
Coggle, Paul, author
NTC Publishing Group, 1994
Buku Teks
Miell, Anna, author
Routledge, 2006
Buku Teks
Donaldson, Bruce, author
Routledge, 2006
Buku Teks