Baker, C.L., author
MIT Press, 1989
Buku Teks
Aarts, Bas, author
Palgrave Macmillan, 2008
Buku Teks
Radford, Andrew, author
Cambridge University Press, 2003
eBooks
Radfrod, Andrew, author
Cambridge University Press, 2004
Buku Teks
Radford, Andrew, author
Cambridge University Press, 2004
Buku Teks