Hammond, Michael, 1956-, author
Blackwell , 2002
Buku Teks
Mason. Oliver
Edinburgh University Press, 2000
Buku Teks
Gazdar, Gerald, author
Addison-Wesley, 1989
Buku Teks
Dickinson, Markus, author
Wiley-Blackwell, 2013
Buku Teks
Masterman, Margaret, author
Cambridge University Press, 2005
eBooks