Jones, Mari C, author
Routledge , 2006
Buku Teks
Raymond Hickey, editor
Wiley-Blackwell, 2010
Buku Teks
Aitchison, Jean, 1938-, author
Cambridge University Press, 2013
Buku Teks
Aitchison, Jean, 1938-, author
Cambridge University Press, 2001
Buku Teks
Narr Verlag , 1978
Buku Teks