Baker, Paul, author
Edinburgh University Press, 2006
Buku Referensi
Oakes, Michael P., author
Edinburgh University Press, 1998
Buku Teks
Tony McEnery, Andrew Wilson, editor
Edinburgh University Press , 2001
Buku Teks
Newspaper Enterprise Association, 1982
Buku Referensi
edited and translated by Martin Palmer, with Mak Hin Chung, Kwok Man Ho and Angela Smith
Rider & Company, 1986
Buku Teks