Leech, Geoffrey N., 1936-, author
Longman, 1994
Buku Teks
edited by David Dabydeen
Manchester University Press, 1985
Buku Teks
Peter Brown, editor
Blackwell Publishing, 2007
Buku Teks
Daiches, David
Mandarin, 1994
Buku Teks
Hewit, Douglas, author
Longman , 1988
Buku Teks